forked from community/device-mgt-core
Ace
9 years ago
parent
3bef5155e0
commit
6d9f2f92a4
@ -1,364 +0,0 @@
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.apimgt.webapp.publisher.lifecycle.util;
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import org.apache.catalina.core.StandardContext;
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import org.apache.commons.lang.ArrayUtils;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.scannotation.AnnotationDB;
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import org.scannotation.WarUrlFinder;
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import org.wso2.carbon.apimgt.annotations.api.API;
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import org.wso2.carbon.apimgt.annotations.api.Permission;
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import org.wso2.carbon.apimgt.api.model.Scope;
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import org.wso2.carbon.apimgt.webapp.publisher.config.APIResource;
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import org.wso2.carbon.apimgt.webapp.publisher.config.APIResourceConfiguration;
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import org.wso2.carbon.apimgt.webapp.publisher.config.PermissionConfiguration;
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import org.wso2.carbon.apimgt.webapp.publisher.config.PermissionManagementException;
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import javax.servlet.ServletContext;
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import javax.ws.rs.*;
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import java.io.IOException;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.net.URL;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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public class AnnotationUtil {
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private static final Log log = LogFactory.getLog(AnnotationUtil.class);
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private static final String PACKAGE_ORG_APACHE = "org.apache";
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private static final String PACKAGE_ORG_CODEHAUS = "org.codehaus";
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private static final String PACKAGE_ORG_SPRINGFRAMEWORK = "org.springframework";
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private static final String AUTH_TYPE = "Any";
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private static final String PROTOCOL_HTTP = "http";
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private static final String SERVER_HOST = "carbon.local.ip";
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private static final String HTTP_PORT = "httpPort";
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private static final String STRING_ARR = "string_arr";
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private static final String STRING = "string";
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private StandardContext context;
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private Method[] pathClazzMethods;
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private Class<Path> pathClazz;
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Class<API> apiClazz;
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private ClassLoader classLoader;
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private ServletContext servletContext;
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public AnnotationUtil(final StandardContext context) {
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this.context = context;
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servletContext = context.getServletContext();
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classLoader = servletContext.getClassLoader();
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}
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/**
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* Scan the context for classes with annotations
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*
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* @return
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* @throws IOException
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*/
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public Set<String> scanStandardContext(String className) throws IOException {
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AnnotationDB db = new AnnotationDB();
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db.addIgnoredPackages(PACKAGE_ORG_APACHE);
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db.addIgnoredPackages(PACKAGE_ORG_CODEHAUS);
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db.addIgnoredPackages(PACKAGE_ORG_SPRINGFRAMEWORK);
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URL[] libPath = WarUrlFinder.findWebInfLibClasspaths(servletContext);
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URL classPath = WarUrlFinder.findWebInfClassesPath(servletContext);
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URL[] urls = (URL[]) ArrayUtils.add(libPath, libPath.length, classPath);
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db.scanArchives(urls);
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//Returns a list of classes with given Annotation
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return db.getAnnotationIndex().get(className);
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}
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/**
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* Method identifies the URL templates and context by reading the annotations of a class
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*
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* @param entityClasses
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* @return
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*/
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public List<APIResourceConfiguration> extractAPIInfo(final ServletContext servletContext, Set<String> entityClasses)
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throws ClassNotFoundException {
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List<APIResourceConfiguration> apiResourceConfigs = new ArrayList<APIResourceConfiguration>();
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if (entityClasses != null && !entityClasses.isEmpty()) {
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for (final String className : entityClasses) {
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APIResourceConfiguration resource =
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AccessController.doPrivileged(new PrivilegedAction<APIResourceConfiguration>() {
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public APIResourceConfiguration run() {
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Class<?> clazz = null;
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APIResourceConfiguration apiResourceConfig = null;
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try {
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clazz = classLoader.loadClass(className);
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apiClazz = (Class<API>)
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classLoader.loadClass(org.wso2.carbon.apimgt.annotations.api.API
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.class.getName());
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Annotation apiAnno = clazz.getAnnotation(apiClazz);
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List<APIResource> resourceList;
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if (apiAnno != null) {
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if (log.isDebugEnabled()) {
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log.debug("Application Context root = " + servletContext.getContextPath());
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}
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try {
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apiResourceConfig = processAPIAnnotation(apiAnno);
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// All the apis should map to same root "/"
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String rootContext = servletContext.getContextPath();
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pathClazz = (Class<Path>) classLoader.loadClass(Path.class.getName());
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pathClazzMethods = pathClazz.getMethods();
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Annotation rootContectAnno = clazz.getAnnotation(pathClazz);
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String subContext = "";
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if (rootContectAnno != null) {
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subContext = invokeMethod(pathClazzMethods[0], rootContectAnno, STRING);
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if (subContext != null && !subContext.isEmpty()) {
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rootContext = rootContext + "/" + subContext;
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} else {
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subContext = "";
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}
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if (log.isDebugEnabled()) {
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log.debug("API Root Context = " + rootContext);
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}
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}
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Method[] annotatedMethods = clazz.getDeclaredMethods();
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resourceList = getApiResources(rootContext, subContext, annotatedMethods);
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apiResourceConfig.setResources(resourceList);
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} catch (Throwable throwable) {
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log.error("Error encountered while scanning for annotations", throwable);
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}
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}
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} catch (ClassNotFoundException e) {
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log.error("Error when passing the api annotation for device type apis.");
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}
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return apiResourceConfig;
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}
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});
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apiResourceConfigs.add(resource);
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}
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}
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return apiResourceConfigs;
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}
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/**
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* Iterate API annotation and build API Configuration
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* @param apiAnno
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* @return
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* @throws Throwable
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*/
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private APIResourceConfiguration processAPIAnnotation(Annotation apiAnno) throws Throwable {
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Method[] apiClazzMethods = apiClazz.getMethods();
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APIResourceConfiguration apiResourceConfig = new APIResourceConfiguration();
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for (int k = 0; k < apiClazzMethods.length; k++) {
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switch (apiClazzMethods[k].getName()) {
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case "name":
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apiResourceConfig.setName(invokeMethod(apiClazzMethods[k], apiAnno, STRING));
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break;
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case "version":
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apiResourceConfig.setVersion(invokeMethod(apiClazzMethods[k], apiAnno, STRING));
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break;
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case "context":
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apiResourceConfig.setContext(invokeMethod(apiClazzMethods[k], apiAnno, STRING));
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break;
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case "tags":
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apiResourceConfig.setTags(invokeMethod(apiClazzMethods[k], apiAnno));
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break;
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}
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}
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return apiResourceConfig;
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}
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/**
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* Get Resources for each API
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* @param resourceRootContext
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* @param apiRootContext
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* @param annotatedMethods
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* @return
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* @throws Throwable
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*/
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private List<APIResource> getApiResources(String resourceRootContext, String apiRootContext,
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Method[] annotatedMethods) throws Throwable {
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List<APIResource> resourceList;
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resourceList = new ArrayList<APIResource>();
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for (Method method : annotatedMethods) {
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Annotation methodContextAnno = method.getAnnotation(pathClazz);
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if (methodContextAnno != null) {
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String subCtx = invokeMethod(pathClazzMethods[0], methodContextAnno, STRING);
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APIResource resource = new APIResource();
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resource.setUriTemplate(makeContextURLReady(apiRootContext + subCtx));
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String serverIP = System.getProperty(SERVER_HOST);
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String httpServerPort = System.getProperty(HTTP_PORT);
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resource.setUri(PROTOCOL_HTTP + "://" + serverIP + ":" + httpServerPort + makeContextURLReady(
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resourceRootContext) + makeContextURLReady(subCtx));
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resource.setAuthType(AUTH_TYPE);
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Annotation[] annotations = method.getDeclaredAnnotations();
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for (int i = 0; i < annotations.length; i++) {
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processHTTPMethodAnnotation(resource, annotations[i]);
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if (annotations[i].annotationType().getName().equals(Consumes.class.getName())) {
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Class<Consumes> consumesClass = (Class<Consumes>) classLoader.loadClass(
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Consumes.class.getName());
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Method[] consumesClassMethods = consumesClass.getMethods();
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Annotation consumesAnno = method.getAnnotation(consumesClass);
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resource.setConsumes(invokeMethod(consumesClassMethods[0], consumesAnno, STRING_ARR));
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}
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if (annotations[i].annotationType().getName().equals(Produces.class.getName())) {
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Class<Produces> producesClass = (Class<Produces>) classLoader.loadClass(
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Produces.class.getName());
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Method[] producesClassMethods = producesClass.getMethods();
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Annotation producesAnno = method.getAnnotation(producesClass);
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resource.setProduces(invokeMethod(producesClassMethods[0], producesAnno, STRING_ARR));
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}
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if (annotations[i].annotationType().getName().equals(Permission.class.getName())) {
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PermissionConfiguration permissionConf = this.getPermission(method);
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if (permissionConf != null) {
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Scope scope = new Scope();
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scope.setKey(permissionConf.getScopeName());
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scope.setDescription(permissionConf.getScopeName());
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scope.setName(permissionConf.getScopeName());
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String roles = StringUtils.join(permissionConf.getPermissions(), ",");
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scope.setRoles(roles);
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resource.setScope(scope);
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}
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}
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}
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resourceList.add(resource);
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}
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}
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return resourceList;
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}
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/**
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* Read Method annotations indicating HTTP Methods
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* @param resource
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* @param annotation
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*/
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private void processHTTPMethodAnnotation(APIResource resource, Annotation annotation) {
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if (annotation.annotationType().getName().equals(GET.class.getName())) {
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resource.setHttpVerb(HttpMethod.GET);
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}
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if (annotation.annotationType().getName().equals(POST.class.getName())) {
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resource.setHttpVerb(HttpMethod.POST);
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}
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if (annotation.annotationType().getName().equals(OPTIONS.class.getName())) {
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resource.setHttpVerb(HttpMethod.OPTIONS);
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}
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if (annotation.annotationType().getName().equals(DELETE.class.getName())) {
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resource.setHttpVerb(HttpMethod.DELETE);
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}
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if (annotation.annotationType().getName().equals(PUT.class.getName())) {
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resource.setHttpVerb(HttpMethod.PUT);
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}
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}
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/**
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* Append '/' to the context and make it URL ready
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* @param context
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* @return
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*/
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private String makeContextURLReady(String context) {
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if (context != null && !context.equalsIgnoreCase("")) {
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if (context.startsWith("/")) {
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return context;
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} else {
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return "/" + context;
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}
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}
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return "";
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}
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/**
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* When an annotation and method is passed, this method invokes that executes said method against the annotation
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*
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* @param method
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* @param annotation
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* @param returnType
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* @return
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* @throws Throwable
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*/
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private String invokeMethod(Method method, Annotation annotation, String returnType) throws Throwable {
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InvocationHandler methodHandler = Proxy.getInvocationHandler(annotation);
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switch (returnType) {
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case STRING:
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return (String) methodHandler.invoke(annotation, method, null);
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case STRING_ARR:
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return ((String[]) methodHandler.invoke(annotation, method, null))[0];
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default:
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return null;
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}
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}
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/**
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* When an annotation and method is passed, this method invokes that executes said method against the annotation
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*/
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private String[] invokeMethod(Method method, Annotation annotation) throws Throwable {
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InvocationHandler methodHandler = Proxy.getInvocationHandler(annotation);
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return ((String[]) methodHandler.invoke(annotation, method, null));
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}
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private PermissionConfiguration getPermission(Method currentMethod) throws Throwable {
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Class<Permission> permissionClass = (Class<Permission>) classLoader.loadClass(Permission.class.getName());
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Annotation permissionAnnotation = currentMethod.getAnnotation(permissionClass);
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if (permissionClass != null) {
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Method[] permissionClassMethods = permissionClass.getMethods();
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PermissionConfiguration permissionConf = new PermissionConfiguration();
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for (Method method : permissionClassMethods) {
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switch (method.getName()) {
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case "scope":
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permissionConf.setScopeName(invokeMethod(method, permissionAnnotation, STRING));
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break;
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case "permissions":
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String permissions[] = invokeMethod(method, permissionAnnotation);
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this.addPermission(permissions);
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permissionConf.setPermissions(permissions);
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break;
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}
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}
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return permissionConf;
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}
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return null;
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}
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private void addPermission(String[] permissions) throws PermissionManagementException {
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for (String permission : permissions) {
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PermissionUtils.addPermission(permission);
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}
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}
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}
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@ -1,279 +0,0 @@
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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
|
||||
* Version 2.0 (the "License"); you may not use this file except
|
||||
* in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
|
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* software distributed under the License is distributed on an
|
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
* KIND, either express or implied. See the License for the
|
||||
* specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*/
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package org.wso2.carbon.device.mgt.extensions.feature.mgt.util;
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import org.apache.catalina.core.StandardContext;
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import org.apache.commons.lang.ArrayUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.scannotation.AnnotationDB;
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import org.scannotation.WarUrlFinder;
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import org.wso2.carbon.device.mgt.common.Feature;
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import org.wso2.carbon.device.mgt.extensions.feature.mgt.annotations.DeviceType;
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import javax.servlet.ServletContext;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.FormParam;
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import javax.ws.rs.GET;
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import javax.ws.rs.HttpMethod;
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import javax.ws.rs.OPTIONS;
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import javax.ws.rs.POST;
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import javax.ws.rs.PUT;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.QueryParam;
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import java.io.IOException;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.net.URL;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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/**
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* This has the utility function to extract feature information.
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*/
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public class AnnotationUtil {
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private static final Log log = LogFactory.getLog(AnnotationUtil.class);
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private static final String PACKAGE_ORG_APACHE = "org.apache";
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private static final String PACKAGE_ORG_CODEHAUS = "org.codehaus";
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private static final String PACKAGE_ORG_SPRINGFRAMEWORK = "org.springframework";
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private static final String STRING_ARR = "string_arr";
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private static final String STRING = "string";
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private static final String METHOD = "method";
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private Class<org.wso2.carbon.device.mgt.extensions.feature.mgt.annotations.Feature>
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featureAnnotationClazz;
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private ClassLoader classLoader;
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private ServletContext servletContext;
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public AnnotationUtil(final StandardContext context) {
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servletContext = context.getServletContext();
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classLoader = servletContext.getClassLoader();
|
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}
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|
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/**
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* Scan the context for classes with annotations
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*/
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||||
public Set<String> scanStandardContext(String className) throws IOException {
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AnnotationDB db = new AnnotationDB();
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db.addIgnoredPackages(PACKAGE_ORG_APACHE);
|
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db.addIgnoredPackages(PACKAGE_ORG_CODEHAUS);
|
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db.addIgnoredPackages(PACKAGE_ORG_SPRINGFRAMEWORK);
|
||||
URL[] libPath = WarUrlFinder.findWebInfLibClasspaths(servletContext);
|
||||
URL classPath = WarUrlFinder.findWebInfClassesPath(servletContext);
|
||||
URL[] urls = (URL[]) ArrayUtils.add(libPath, libPath.length, classPath);
|
||||
db.scanArchives(urls);
|
||||
|
||||
//Returns a list of classes with given Annotation
|
||||
return db.getAnnotationIndex().get(className);
|
||||
}
|
||||
|
||||
/**
|
||||
* Method identifies the URL templates and context by reading the annotations of a class
|
||||
*/
|
||||
public Map<String, List<Feature>> extractFeatures(Set<String> entityClasses) throws ClassNotFoundException {
|
||||
Map<String, List<Feature>> features = null;
|
||||
if (entityClasses != null && !entityClasses.isEmpty()) {
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||||
features = new HashMap<>();
|
||||
for (final String className : entityClasses) {
|
||||
final Map<String, List<Feature>> featureMap =
|
||||
AccessController.doPrivileged(new PrivilegedAction<Map<String, List<Feature>>>() {
|
||||
public Map<String, List<Feature>> run() {
|
||||
Map<String, List<Feature>> featureMap = new HashMap<>();
|
||||
try {
|
||||
Class<?> clazz = classLoader.loadClass(className);
|
||||
Class<DeviceType> deviceTypeClazz = (Class<DeviceType>) classLoader.loadClass(
|
||||
DeviceType.class.getName());
|
||||
Annotation deviceTypeAnno = clazz.getAnnotation(deviceTypeClazz);
|
||||
if (deviceTypeAnno != null) {
|
||||
Method[] deviceTypeMethod = deviceTypeClazz.getMethods();
|
||||
String deviceType = invokeMethod(deviceTypeMethod[0], deviceTypeAnno, STRING);
|
||||
featureAnnotationClazz =
|
||||
(Class<org.wso2.carbon.device.mgt.extensions.feature.mgt.annotations
|
||||
.Feature>) classLoader.loadClass(
|
||||
org.wso2.carbon.device.mgt.extensions.feature.mgt
|
||||
.annotations.Feature.class.getName());
|
||||
List<Feature> featureList = getFeatures(clazz.getDeclaredMethods());
|
||||
featureMap.put(deviceType, featureList);
|
||||
}
|
||||
} catch (Throwable e) {
|
||||
log.error("Failed to load the annotation from the features in the " +
|
||||
"class " + className, e);
|
||||
}
|
||||
return featureMap;
|
||||
}
|
||||
});
|
||||
|
||||
features.putAll(featureMap);
|
||||
}
|
||||
}
|
||||
return features;
|
||||
}
|
||||
|
||||
private List<Feature> getFeatures(Method[] methodsList) throws Throwable {
|
||||
List<Feature> featureList = new ArrayList<>();
|
||||
for (Method currentMethod : methodsList) {
|
||||
Annotation featureAnnotation = currentMethod.getAnnotation(featureAnnotationClazz);
|
||||
if (featureAnnotation != null) {
|
||||
Feature feature = new Feature();
|
||||
feature = processFeatureAnnotation(feature, currentMethod);
|
||||
Annotation[] annotations = currentMethod.getDeclaredAnnotations();
|
||||
Feature.MetadataEntry metadataEntry = new Feature.MetadataEntry();
|
||||
metadataEntry.setId(-1);
|
||||
Map<String, Object> apiParams = new HashMap<>();
|
||||
for (int i = 0; i < annotations.length; i++) {
|
||||
Annotation currentAnnotation = annotations[i];
|
||||
processHttpMethodAnnotation(apiParams, currentAnnotation);
|
||||
if (currentAnnotation.annotationType().getName().equals(Path.class.getName())) {
|
||||
String uri = getPathAnnotationValue(currentMethod);
|
||||
apiParams.put("uri", uri);
|
||||
}
|
||||
apiParams = processParamAnnotations(apiParams, currentMethod);
|
||||
}
|
||||
metadataEntry.setValue(apiParams);
|
||||
List<Feature.MetadataEntry> metaInfoList = new ArrayList<>();
|
||||
metaInfoList.add(metadataEntry);
|
||||
feature.setMetadataEntries(metaInfoList);
|
||||
featureList.add(feature);
|
||||
}
|
||||
}
|
||||
return featureList;
|
||||
}
|
||||
|
||||
private Map<String, Object> processParamAnnotations(Map<String, Object> apiParams, Method currentMethod)
|
||||
throws Throwable{
|
||||
try {
|
||||
apiParams.put("pathParams", processParamAnnotations(currentMethod, PathParam.class));
|
||||
apiParams.put("queryParams", processParamAnnotations(currentMethod, QueryParam.class));
|
||||
apiParams.put("formParams", processParamAnnotations(currentMethod, FormParam.class));
|
||||
} catch (ClassNotFoundException e) {
|
||||
log.debug("No Form Param found for class " + featureAnnotationClazz.getName());
|
||||
}
|
||||
return apiParams;
|
||||
}
|
||||
|
||||
private List<String> processParamAnnotations(Method currentMethod, Class<?> clazz) throws Throwable{
|
||||
List<String> params = new ArrayList<>();
|
||||
try {
|
||||
Class<?> paramClazz = (Class<?>) classLoader.loadClass(clazz.getName());
|
||||
Method[] formMethods = paramClazz.getMethods();
|
||||
//Extract method parameter information and store same as feature meta info
|
||||
Annotation[][] paramAnnotations = currentMethod.getParameterAnnotations();
|
||||
Method valueMethod = formMethods[0];
|
||||
for (int j = 0; j < paramAnnotations.length; j++) {
|
||||
for (Annotation anno : paramAnnotations[j]) {
|
||||
if (anno.annotationType().getName().equals(clazz.getName())) {
|
||||
params.add(invokeMethod(valueMethod, anno, STRING));
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (ClassNotFoundException e) {
|
||||
log.debug("No "+ clazz.getName() +" Param found for class " + featureAnnotationClazz.getName());
|
||||
}
|
||||
return params;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read Method annotations indicating HTTP Methods
|
||||
*/
|
||||
private void processHttpMethodAnnotation(Map<String, Object> apiParams, Annotation currentAnnotation) {
|
||||
//Extracting method with which feature is exposed
|
||||
if (currentAnnotation.annotationType().getName().equals(GET.class.getName())) {
|
||||
apiParams.put(METHOD, HttpMethod.GET);
|
||||
} else if (currentAnnotation.annotationType().getName().equals(POST.class.getName())) {
|
||||
apiParams.put(METHOD, HttpMethod.POST);
|
||||
} else if (currentAnnotation.annotationType().getName().equals(OPTIONS.class.getName())) {
|
||||
apiParams.put(METHOD, HttpMethod.OPTIONS);
|
||||
} else if (currentAnnotation.annotationType().getName().equals(DELETE.class.getName())) {
|
||||
apiParams.put(METHOD, HttpMethod.DELETE);
|
||||
} else if (currentAnnotation.annotationType().getName().equals(PUT.class.getName())) {
|
||||
apiParams.put(METHOD, HttpMethod.PUT);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Read Feature annotation and Identify Features
|
||||
* @param feature
|
||||
* @param currentMethod
|
||||
* @return
|
||||
* @throws Throwable
|
||||
*/
|
||||
private Feature processFeatureAnnotation(Feature feature, Method currentMethod) throws Throwable{
|
||||
Method[] featureAnnoMethods = featureAnnotationClazz.getMethods();
|
||||
Annotation featureAnno = currentMethod.getAnnotation(featureAnnotationClazz);
|
||||
for (int k = 0; k < featureAnnoMethods.length; k++) {
|
||||
switch (featureAnnoMethods[k].getName()) {
|
||||
case "name":
|
||||
feature.setName(invokeMethod(featureAnnoMethods[k], featureAnno, STRING));
|
||||
break;
|
||||
case "code":
|
||||
feature.setCode(invokeMethod(featureAnnoMethods[k], featureAnno, STRING));
|
||||
break;
|
||||
case "description":
|
||||
feature.setDescription(invokeMethod(featureAnnoMethods[k], featureAnno, STRING));
|
||||
break;
|
||||
}
|
||||
}
|
||||
return feature;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get value depicted by Path Annotation
|
||||
* @param currentMethod
|
||||
* @return
|
||||
* @throws Throwable
|
||||
*/
|
||||
public String getPathAnnotationValue(Method currentMethod) throws Throwable{
|
||||
String uri = "";
|
||||
try {
|
||||
Class<Path> pathClazz = (Class<Path>) classLoader.loadClass(Path.class.getName());
|
||||
Annotation pathAnnno = currentMethod.getAnnotation(pathClazz);
|
||||
Method[] pathMethods = pathClazz.getMethods();
|
||||
Method valueMethod = pathMethods[0];
|
||||
uri = invokeMethod(valueMethod, pathAnnno, STRING);
|
||||
} catch (ClassNotFoundException e) {
|
||||
log.debug("No Path Param found for class " + featureAnnotationClazz.getName());
|
||||
}
|
||||
return uri;
|
||||
}
|
||||
|
||||
/**
|
||||
* When an annotation and method is passed, this method invokes that executes said method against the annotation
|
||||
*/
|
||||
private String invokeMethod(Method method, Annotation annotation, String returnType) throws Throwable {
|
||||
InvocationHandler methodHandler = Proxy.getInvocationHandler(annotation);
|
||||
switch (returnType) {
|
||||
case STRING:
|
||||
return (String) methodHandler.invoke(annotation, method, null);
|
||||
case STRING_ARR:
|
||||
return ((String[]) methodHandler.invoke(annotation, method, null))[0];
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue