Adding Annotation reading fix for device-mgt-extensions

components/device-mgt/org.wso2.carbon.device.mgt.extensions/pom.xml

@@ -111,6 +111,14 @@
             <groupId>org.wso2.carbon.analytics-common</groupId>
             <artifactId>org.wso2.carbon.event.output.adapter.core</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.apimgt</groupId>
+            <artifactId>org.wso2.carbon.apimgt.api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.apimgt</groupId>
+            <artifactId>org.wso2.carbon.apimgt.impl</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
@@ -148,7 +156,8 @@
                             javax.xml.*;resolution:=optional,
                             org.apache.commons.lang,
                             javax.ws.rs;version="0.0.0";resolution:=optional,
-                            org.scannotation
+                            org.scannotation,
+                            org.scannotation.archiveiterator
                         </Import-Package>
                     </instructions>
                 </configuration>

components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/feature/mgt/util/AnnotationProcessor.java

@@ -38,11 +38,14 @@ import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.QueryParam;
+import java.io.File;
 import java.io.IOException;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
+import java.net.MalformedURLException;
+import java.net.URI;
 import java.net.URL;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
@@ -80,14 +83,13 @@ public class AnnotationProcessor {
      * Scan the context for classes with annotations
      */
     public Set<String> scanStandardContext(String className) throws IOException {
-        AnnotationDB db = new AnnotationDB();
+        ExtendedAnnotationDB db = new ExtendedAnnotationDB();
         db.addIgnoredPackages(PACKAGE_ORG_APACHE);
         db.addIgnoredPackages(PACKAGE_ORG_CODEHAUS);
         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);
+
+        URL classPath = findWebInfClassesPath(servletContext);
+        db.scanArchives(classPath);
 
         //Returns a list of classes with given Annotation
         return db.getAnnotationIndex().get(className);
@@ -276,4 +278,28 @@ public class AnnotationProcessor {
                 return null;
         }
     }
+
+    /**
+     * Find the URL pointing to "/WEB-INF/classes"  This method may not work in conjunction with IteratorFactory
+     * if your servlet container does not extract the /WEB-INF/classes into a real file-based directory
+     *
+     * @param servletContext
+     * @return null if cannot determin /WEB-INF/classes
+     */
+    public static URL findWebInfClassesPath(ServletContext servletContext)
+    {
+        String path = servletContext.getRealPath("/WEB-INF/classes");
+        if (path == null) return null;
+        File fp = new File(path);
+        if (fp.exists() == false) return null;
+        try
+        {
+            URI uri = fp.toURI();
+            return uri.toURL();
+        }
+        catch (MalformedURLException e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
 }

components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/feature/mgt/util/ExtendedAnnotationDB.java

@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+*
+* Licensed 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
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "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.
+*/
+package org.wso2.carbon.device.mgt.extensions.feature.mgt.util;
+
+import org.scannotation.AnnotationDB;
+import org.scannotation.archiveiterator.Filter;
+import org.scannotation.archiveiterator.StreamIterator;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+public class ExtendedAnnotationDB extends AnnotationDB {
+
+    public ExtendedAnnotationDB() {
+        super();
+    }
+
+    public void scanArchives(URL... urls) throws IOException {
+        URL[] arr$ = urls;
+        int len$ = urls.length;
+
+        for(int i$ = 0; i$ < len$; ++i$) {
+            URL url = arr$[i$];
+            Filter filter = new Filter() {
+                public boolean accepts(String filename) {
+                    if(filename.endsWith(".class")) {
+                        if(filename.startsWith("/") || filename.startsWith("\\")) {
+                            filename = filename.substring(1);
+                        }
+
+                        if(!ExtendedAnnotationDB.this.ignoreScan(filename.replace('/', '.'))) {
+                            return true;
+                        }
+                    }
+                    return false;
+                }
+            };
+            StreamIterator it = ExtendedIteratorFactory.create(url, filter);
+
+            InputStream stream;
+            while((stream = it.next()) != null) {
+                this.scanClass(stream);
+            }
+        }
+
+    }
+
+    private boolean ignoreScan(String intf) {
+        String[] arr$;
+        int len$;
+        int i$;
+        String ignored;
+        if(this.scanPackages != null) {
+            arr$ = this.scanPackages;
+            len$ = arr$.length;
+
+            for(i$ = 0; i$ < len$; ++i$) {
+                ignored = arr$[i$];
+                if(intf.startsWith(ignored + ".")) {
+                    return false;
+                }
+            }
+
+            return true;
+        } else {
+            arr$ = this.ignoredPackages;
+            len$ = arr$.length;
+
+            for(i$ = 0; i$ < len$; ++i$) {
+                ignored = arr$[i$];
+                if(intf.startsWith(ignored + ".")) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/feature/mgt/util/ExtendedFileProtocolIteratorFactory.java

@@ -0,0 +1,34 @@
+/*
+* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+*
+* Licensed 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
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "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.
+*/
+package org.wso2.carbon.device.mgt.extensions.feature.mgt.util;
+
+import org.scannotation.archiveiterator.*;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+
+public class ExtendedFileProtocolIteratorFactory implements DirectoryIteratorFactory {
+
+    private static final String ENCODING_SCHEME = "UTF-8";
+
+    @Override
+    public StreamIterator create(URL url, Filter filter) throws IOException {
+        File f = new File(java.net.URLDecoder.decode(url.getPath(), ENCODING_SCHEME));
+        return f.isDirectory()?new FileIterator(f, filter):new JarIterator(url.openStream(), filter);
+    }
+
+}

components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/feature/mgt/util/ExtendedIteratorFactory.java

@@ -0,0 +1,54 @@
+/*
+* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+*
+* Licensed 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
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "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.
+*/
+package org.wso2.carbon.device.mgt.extensions.feature.mgt.util;
+
+import org.scannotation.archiveiterator.DirectoryIteratorFactory;
+import org.scannotation.archiveiterator.Filter;
+import org.scannotation.archiveiterator.JarIterator;
+import org.scannotation.archiveiterator.StreamIterator;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class ExtendedIteratorFactory {
+
+    private static final ConcurrentHashMap<String, DirectoryIteratorFactory> registry = new ConcurrentHashMap();
+
+    public static StreamIterator create(URL url, Filter filter) throws IOException {
+        String urlString = url.toString();
+        if(urlString.endsWith("!/")) {
+            urlString = urlString.substring(4);
+            urlString = urlString.substring(0, urlString.length() - 2);
+            url = new URL(urlString);
+        }
+
+        if(!urlString.endsWith("/")) {
+            return new JarIterator(url.openStream(), filter);
+        } else {
+            DirectoryIteratorFactory factory = registry.get(url.getProtocol());
+            if(factory == null) {
+                throw new IOException("Unable to scan directory of protocol: " + url.getProtocol());
+            } else {
+                return factory.create(url, filter);
+            }
+        }
+    }
+
+    static {
+        registry.put("file", new ExtendedFileProtocolIteratorFactory());
+    }
+}