diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/project/AndroidClasspathContainerInitializer.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/project/AndroidClasspathContainerInitializer.java | 823 |
1 files changed, 823 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/project/AndroidClasspathContainerInitializer.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/project/AndroidClasspathContainerInitializer.java new file mode 100644 index 000000000..f9382c5ae --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/project/AndroidClasspathContainerInitializer.java @@ -0,0 +1,823 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php + * + * 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 com.android.ide.eclipse.adt.internal.project; + +import com.android.SdkConstants; +import com.android.ide.common.sdk.LoadStatus; +import com.android.ide.eclipse.adt.AdtConstants; +import com.android.ide.eclipse.adt.AdtPlugin; +import com.android.ide.eclipse.adt.internal.sdk.ProjectState; +import com.android.ide.eclipse.adt.internal.sdk.Sdk; +import com.android.sdklib.AndroidVersion; +import com.android.sdklib.IAndroidTarget; +import com.android.sdklib.IAndroidTarget.IOptionalLibrary; +import com.google.common.collect.Maps; +import com.google.common.io.Closeables; + +import org.eclipse.core.resources.IProject; +import org.eclipse.core.resources.IWorkspaceRoot; +import org.eclipse.core.resources.ResourcesPlugin; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.FileLocator; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.NullProgressMonitor; +import org.eclipse.core.runtime.Path; +import org.eclipse.core.runtime.Platform; +import org.eclipse.jdt.core.IAccessRule; +import org.eclipse.jdt.core.IClasspathAttribute; +import org.eclipse.jdt.core.IClasspathContainer; +import org.eclipse.jdt.core.IClasspathEntry; +import org.eclipse.jdt.core.IJavaModel; +import org.eclipse.jdt.core.IJavaProject; +import org.eclipse.jdt.core.JavaCore; +import org.eclipse.jdt.core.JavaModelException; +import org.osgi.framework.Bundle; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLConnection; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Map; +import java.util.regex.Pattern; + +/** + * Classpath container initializer responsible for binding {@link AndroidClasspathContainer} to + * {@link IProject}s. This removes the hard-coded path to the android.jar. + */ +public class AndroidClasspathContainerInitializer extends BaseClasspathContainerInitializer { + + public static final String NULL_API_URL = "<null>"; //$NON-NLS-1$ + + public static final String SOURCES_ZIP = "/sources.zip"; //$NON-NLS-1$ + + public static final String COM_ANDROID_IDE_ECLIPSE_ADT_SOURCE = + "com.android.ide.eclipse.source"; //$NON-NLS-1$ + + private static final String ANDROID_API_REFERENCE = + "http://developer.android.com/reference/"; //$NON-NLS-1$ + + private final static String PROPERTY_ANDROID_API = "androidApi"; //$NON-NLS-1$ + + private final static String PROPERTY_ANDROID_SOURCE = "androidSource"; //$NON-NLS-1$ + + /** path separator to store multiple paths in a single property. This is guaranteed to not + * be in a path. + */ + private final static String PATH_SEPARATOR = "\u001C"; //$NON-NLS-1$ + + private final static String PROPERTY_CONTAINER_CACHE = "androidContainerCache"; //$NON-NLS-1$ + private final static String PROPERTY_TARGET_NAME = "androidTargetCache"; //$NON-NLS-1$ + private final static String CACHE_VERSION = "01"; //$NON-NLS-1$ + private final static String CACHE_VERSION_SEP = CACHE_VERSION + PATH_SEPARATOR; + + private final static int CACHE_INDEX_JAR = 0; + private final static int CACHE_INDEX_SRC = 1; + private final static int CACHE_INDEX_DOCS_URI = 2; + private final static int CACHE_INDEX_OPT_DOCS_URI = 3; + private final static int CACHE_INDEX_ADD_ON_START = CACHE_INDEX_OPT_DOCS_URI; + + public AndroidClasspathContainerInitializer() { + // pass + } + + /** + * Binds a classpath container to a {@link IClasspathContainer} for a given project, + * or silently fails if unable to do so. + * @param containerPath the container path that is the container id. + * @param project the project to bind + */ + @Override + public void initialize(IPath containerPath, IJavaProject project) throws CoreException { + if (AdtConstants.CONTAINER_FRAMEWORK.equals(containerPath.toString())) { + IClasspathContainer container = allocateAndroidContainer(project); + if (container != null) { + JavaCore.setClasspathContainer(new Path(AdtConstants.CONTAINER_FRAMEWORK), + new IJavaProject[] { project }, + new IClasspathContainer[] { container }, + new NullProgressMonitor()); + } + } + } + + /** + * Updates the {@link IJavaProject} objects with new android framework container. This forces + * JDT to recompile them. + * @param androidProjects the projects to update. + * @return <code>true</code> if success, <code>false</code> otherwise. + */ + static boolean updateProjects(IJavaProject[] androidProjects) { + try { + // Allocate a new AndroidClasspathContainer, and associate it to the android framework + // container id for each projects. + // By providing a new association between a container id and a IClasspathContainer, + // this forces the JDT to query the IClasspathContainer for new IClasspathEntry (with + // IClasspathContainer#getClasspathEntries()), and therefore force recompilation of + // the projects. + int projectCount = androidProjects.length; + + IClasspathContainer[] containers = new IClasspathContainer[projectCount]; + for (int i = 0 ; i < projectCount; i++) { + containers[i] = allocateAndroidContainer(androidProjects[i]); + } + + // give each project their new container in one call. + JavaCore.setClasspathContainer( + new Path(AdtConstants.CONTAINER_FRAMEWORK), + androidProjects, containers, new NullProgressMonitor()); + + return true; + } catch (JavaModelException e) { + return false; + } + } + + /** + * Allocates and returns an {@link AndroidClasspathContainer} object with the proper + * path to the framework jar file. + * @param javaProject The java project that will receive the container. + */ + private static IClasspathContainer allocateAndroidContainer(IJavaProject javaProject) { + final IProject iProject = javaProject.getProject(); + + String markerMessage = null; + boolean outputToConsole = true; + IAndroidTarget target = null; + + try { + AdtPlugin plugin = AdtPlugin.getDefault(); + if (plugin == null) { // This is totally weird, but I've seen it happen! + return null; + } + + synchronized (Sdk.getLock()) { + boolean sdkIsLoaded = plugin.getSdkLoadStatus() == LoadStatus.LOADED; + + // check if the project has a valid target. + ProjectState state = Sdk.getProjectState(iProject); + if (state == null) { + // looks like the project state (project.properties) couldn't be read! + markerMessage = String.format( + "Project has no %1$s file! Edit the project properties to set one.", + SdkConstants.FN_PROJECT_PROPERTIES); + } else { + // this might be null if the sdk is not yet loaded. + target = state.getTarget(); + + // if we are loaded and the target is non null, we create a valid + // ClassPathContainer + if (sdkIsLoaded && target != null) { + // check the renderscript support mode. If support mode is enabled, + // target API must be 18+ + if (!state.getRenderScriptSupportMode() || + target.getVersion().getApiLevel() >= 18) { + // first make sure the target has loaded its data + Sdk.getCurrent().checkAndLoadTargetData(target, null /*project*/); + + String targetName = target.getClasspathName(); + + return new AndroidClasspathContainer( + createClasspathEntries(iProject, target, targetName), + new Path(AdtConstants.CONTAINER_FRAMEWORK), + targetName, + IClasspathContainer.K_DEFAULT_SYSTEM); + } else { + markerMessage = "Renderscript support mode requires compilation target API to be 18+."; + } + } else { + // In case of error, we'll try different thing to provide the best error message + // possible. + // Get the project's target's hash string (if it exists) + String hashString = state.getTargetHashString(); + + if (hashString == null || hashString.length() == 0) { + // if there is no hash string we only show this if the SDK is loaded. + // For a project opened at start-up with no target, this would be displayed + // twice, once when the project is opened, and once after the SDK has + // finished loading. + // By testing the sdk is loaded, we only show this once in the console. + if (sdkIsLoaded) { + markerMessage = String.format( + "Project has no target set. Edit the project properties to set one."); + } + } else if (sdkIsLoaded) { + markerMessage = String.format( + "Unable to resolve target '%s'", hashString); + } else { + // this is the case where there is a hashString but the SDK is not yet + // loaded and therefore we can't get the target yet. + // We check if there is a cache of the needed information. + AndroidClasspathContainer container = getContainerFromCache(iProject, + target); + + if (container == null) { + // either the cache was wrong (ie folder does not exists anymore), or + // there was no cache. In this case we need to make sure the project + // is resolved again after the SDK is loaded. + plugin.setProjectToResolve(javaProject); + + markerMessage = String.format( + "Unable to resolve target '%s' until the SDK is loaded.", + hashString); + + // let's not log this one to the console as it will happen at + // every boot, and it's expected. (we do keep the error marker though). + outputToConsole = false; + + } else { + // we created a container from the cache, so we register the project + // to be checked for cache validity once the SDK is loaded + plugin.setProjectToCheck(javaProject); + + // and return the container + return container; + } + } + } + } + + // return a dummy container to replace the one we may have had before. + // It'll be replaced by the real when if/when the target is resolved if/when the + // SDK finishes loading. + return new IClasspathContainer() { + @Override + public IClasspathEntry[] getClasspathEntries() { + return new IClasspathEntry[0]; + } + + @Override + public String getDescription() { + return "Unable to get system library for the project"; + } + + @Override + public int getKind() { + return IClasspathContainer.K_DEFAULT_SYSTEM; + } + + @Override + public IPath getPath() { + return null; + } + }; + } + } finally { + processError(iProject, markerMessage, AdtConstants.MARKER_TARGET, outputToConsole); + } + } + + /** + * Creates and returns an array of {@link IClasspathEntry} objects for the android + * framework and optional libraries. + * <p/>This references the OS path to the android.jar and the + * java doc directory. This is dynamically created when a project is opened, + * and never saved in the project itself, so there's no risk of storing an + * obsolete path. + * The method also stores the paths used to create the entries in the project persistent + * properties. A new {@link AndroidClasspathContainer} can be created from the stored path + * using the {@link #getContainerFromCache(IProject)} method. + * @param project + * @param target The target that contains the libraries. + * @param targetName + */ + private static IClasspathEntry[] createClasspathEntries(IProject project, + IAndroidTarget target, String targetName) { + + // get the path from the target + String[] paths = getTargetPaths(target); + + // create the classpath entry from the paths + IClasspathEntry[] entries = createClasspathEntriesFromPaths(paths, target); + + // paths now contains all the path required to recreate the IClasspathEntry with no + // target info. We encode them in a single string, with each path separated by + // OS path separator. + StringBuilder sb = new StringBuilder(CACHE_VERSION); + for (String p : paths) { + sb.append(PATH_SEPARATOR); + sb.append(p); + } + + // store this in a project persistent property + ProjectHelper.saveStringProperty(project, PROPERTY_CONTAINER_CACHE, sb.toString()); + ProjectHelper.saveStringProperty(project, PROPERTY_TARGET_NAME, targetName); + + return entries; + } + + /** + * Generates an {@link AndroidClasspathContainer} from the project cache, if possible. + */ + private static AndroidClasspathContainer getContainerFromCache(IProject project, + IAndroidTarget target) { + // get the cached info from the project persistent properties. + String cache = ProjectHelper.loadStringProperty(project, PROPERTY_CONTAINER_CACHE); + String targetNameCache = ProjectHelper.loadStringProperty(project, PROPERTY_TARGET_NAME); + if (cache == null || targetNameCache == null) { + return null; + } + + // the first 2 chars must match CACHE_VERSION. The 3rd char is the normal separator. + if (cache.startsWith(CACHE_VERSION_SEP) == false) { + return null; + } + + cache = cache.substring(CACHE_VERSION_SEP.length()); + + // the cache contains multiple paths, separated by a character guaranteed to not be in + // the path (\u001C). + // The first 3 are for android.jar (jar, source, doc), the rest are for the optional + // libraries and should contain at least one doc and a jar (if there are any libraries). + // Therefore, the path count should be 3 or 5+ + String[] paths = cache.split(Pattern.quote(PATH_SEPARATOR)); + if (paths.length < 3 || paths.length == 4) { + return null; + } + + // now we check the paths actually exist. + // There's an exception: If the source folder for android.jar does not exist, this is + // not a problem, so we skip it. + // Also paths[CACHE_INDEX_DOCS_URI] is a URI to the javadoc, so we test it a + // bit differently. + try { + if (new File(paths[CACHE_INDEX_JAR]).exists() == false || + new File(new URI(paths[CACHE_INDEX_DOCS_URI])).exists() == false) { + return null; + } + + // check the path for the add-ons, if they exist. + if (paths.length > CACHE_INDEX_ADD_ON_START) { + + // check the docs path separately from the rest of the paths as it's a URI. + if (new File(new URI(paths[CACHE_INDEX_OPT_DOCS_URI])).exists() == false) { + return null; + } + + // now just check the remaining paths. + for (int i = CACHE_INDEX_ADD_ON_START + 1; i < paths.length; i++) { + String path = paths[i]; + if (path.length() > 0) { + File f = new File(path); + if (f.exists() == false) { + return null; + } + } + } + } + } catch (URISyntaxException e) { + return null; + } + + IClasspathEntry[] entries = createClasspathEntriesFromPaths(paths, target); + + return new AndroidClasspathContainer(entries, + new Path(AdtConstants.CONTAINER_FRAMEWORK), + targetNameCache, IClasspathContainer.K_DEFAULT_SYSTEM); + } + + /** + * Generates an array of {@link IClasspathEntry} from a set of paths. + * @see #getTargetPaths(IAndroidTarget) + */ + private static IClasspathEntry[] createClasspathEntriesFromPaths(String[] paths, + IAndroidTarget target) { + ArrayList<IClasspathEntry> list = new ArrayList<IClasspathEntry>(); + + // First, we create the IClasspathEntry for the framework. + // now add the android framework to the class path. + // create the path object. + IPath androidLib = new Path(paths[CACHE_INDEX_JAR]); + + IPath androidSrc = null; + String androidSrcOsPath = null; + IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); + if (target != null) { + androidSrcOsPath = + ProjectHelper.loadStringProperty(root, getAndroidSourceProperty(target)); + } + if (androidSrcOsPath != null && androidSrcOsPath.trim().length() > 0) { + androidSrc = new Path(androidSrcOsPath); + } + if (androidSrc == null) { + androidSrc = new Path(paths[CACHE_INDEX_SRC]); + File androidSrcFile = new File(paths[CACHE_INDEX_SRC]); + if (!androidSrcFile.isDirectory()) { + androidSrc = null; + } + } + + if (androidSrc == null && target != null) { + Bundle bundle = getSourceBundle(); + + if (bundle != null) { + AndroidVersion version = target.getVersion(); + String apiString = version.getApiString(); + String sourcePath = apiString + SOURCES_ZIP; + URL sourceURL = bundle.getEntry(sourcePath); + if (sourceURL != null) { + URL url = null; + try { + url = FileLocator.resolve(sourceURL); + } catch (IOException ignore) { + } + if (url != null) { + androidSrcOsPath = url.getFile(); + if (new File(androidSrcOsPath).isFile()) { + androidSrc = new Path(androidSrcOsPath); + } + } + } + } + } + + // create the java doc link. + String androidApiURL = ProjectHelper.loadStringProperty(root, PROPERTY_ANDROID_API); + String apiURL = null; + if (androidApiURL != null && testURL(androidApiURL)) { + apiURL = androidApiURL; + } else { + if (testURL(paths[CACHE_INDEX_DOCS_URI])) { + apiURL = paths[CACHE_INDEX_DOCS_URI]; + } else if (testURL(ANDROID_API_REFERENCE)) { + apiURL = ANDROID_API_REFERENCE; + } + } + + IClasspathAttribute[] attributes = null; + if (apiURL != null && !NULL_API_URL.equals(apiURL)) { + IClasspathAttribute cpAttribute = JavaCore.newClasspathAttribute( + IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, apiURL); + attributes = new IClasspathAttribute[] { + cpAttribute + }; + } + // create the access rule to restrict access to classes in + // com.android.internal + IAccessRule accessRule = JavaCore.newAccessRule(new Path("com/android/internal/**"), //$NON-NLS-1$ + IAccessRule.K_NON_ACCESSIBLE); + + IClasspathEntry frameworkClasspathEntry = JavaCore.newLibraryEntry(androidLib, + androidSrc, // source attachment path + null, // default source attachment root path. + new IAccessRule[] { accessRule }, + attributes, + false // not exported. + ); + + list.add(frameworkClasspathEntry); + + // now deal with optional libraries + if (paths.length >= 5) { + String docPath = paths[CACHE_INDEX_OPT_DOCS_URI]; + int i = 4; + while (i < paths.length) { + Path jarPath = new Path(paths[i++]); + + attributes = null; + if (docPath.length() > 0) { + attributes = new IClasspathAttribute[] { + JavaCore.newClasspathAttribute( + IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, docPath) + }; + } + + IClasspathEntry entry = JavaCore.newLibraryEntry( + jarPath, + null, // source attachment path + null, // default source attachment root path. + null, + attributes, + false // not exported. + ); + list.add(entry); + } + } + + if (apiURL != null) { + ProjectHelper.saveStringProperty(root, PROPERTY_ANDROID_API, apiURL); + } + if (androidSrc != null && target != null) { + ProjectHelper.saveStringProperty(root, getAndroidSourceProperty(target), + androidSrc.toOSString()); + } + return list.toArray(new IClasspathEntry[list.size()]); + } + + private static Bundle getSourceBundle() { + String bundleId = System.getProperty(COM_ANDROID_IDE_ECLIPSE_ADT_SOURCE, + COM_ANDROID_IDE_ECLIPSE_ADT_SOURCE); + Bundle bundle = Platform.getBundle(bundleId); + return bundle; + } + + private static String getAndroidSourceProperty(IAndroidTarget target) { + if (target == null) { + return null; + } + String androidSourceProperty = PROPERTY_ANDROID_SOURCE + "_" + + target.getVersion().getApiString(); + return androidSourceProperty; + } + + /** + * Cache results for testURL: Some are expensive to compute, and this is + * called repeatedly (perhaps for each open project) + */ + private static final Map<String, Boolean> sRecentUrlValidCache = + Maps.newHashMapWithExpectedSize(4); + + @SuppressWarnings("resource") // Eclipse does not handle Closeables#closeQuietly + private static boolean testURL(String androidApiURL) { + Boolean cached = sRecentUrlValidCache.get(androidApiURL); + if (cached != null) { + return cached.booleanValue(); + } + boolean valid = false; + InputStream is = null; + try { + URL testURL = new URL(androidApiURL); + URLConnection connection = testURL.openConnection(); + // Only try for 5 seconds (though some implementations ignore this flag) + connection.setConnectTimeout(5000); + connection.setReadTimeout(5000); + is = connection.getInputStream(); + valid = true; + } catch (Exception ignore) { + } finally { + Closeables.closeQuietly(is); + } + + sRecentUrlValidCache.put(androidApiURL, valid); + + return valid; + } + + /** + * Checks the projects' caches. If the cache was valid, the project is removed from the list. + * @param projects the list of projects to check. + */ + public static void checkProjectsCache(ArrayList<IJavaProject> projects) { + Sdk currentSdk = Sdk.getCurrent(); + int i = 0; + projectLoop: while (i < projects.size()) { + IJavaProject javaProject = projects.get(i); + IProject iProject = javaProject.getProject(); + + // check if the project is opened + if (iProject.isOpen() == false) { + // remove from the list + // we do not increment i in this case. + projects.remove(i); + + continue; + } + + // project that have been resolved before the sdk was loaded + // will have a ProjectState where the IAndroidTarget is null + // so we load the target now that the SDK is loaded. + IAndroidTarget target = currentSdk.loadTargetAndBuildTools( + Sdk.getProjectState(iProject)); + if (target == null) { + // this is really not supposed to happen. This would mean there are cached paths, + // but project.properties was deleted. Keep the project in the list to force + // a resolve which will display the error. + i++; + continue; + } + + String[] targetPaths = getTargetPaths(target); + + // now get the cached paths + String cache = ProjectHelper.loadStringProperty(iProject, PROPERTY_CONTAINER_CACHE); + if (cache == null) { + // this should not happen. We'll force resolve again anyway. + i++; + continue; + } + + String[] cachedPaths = cache.split(Pattern.quote(PATH_SEPARATOR)); + if (cachedPaths.length < 3 || cachedPaths.length == 4) { + // paths length is wrong. simply resolve the project again + i++; + continue; + } + + // Now we compare the paths. The first 4 can be compared directly. + // because of case sensitiveness we need to use File objects + + if (targetPaths.length != cachedPaths.length) { + // different paths, force resolve again. + i++; + continue; + } + + // compare the main paths (android.jar, main sources, main javadoc) + if (new File(targetPaths[CACHE_INDEX_JAR]).equals( + new File(cachedPaths[CACHE_INDEX_JAR])) == false || + new File(targetPaths[CACHE_INDEX_SRC]).equals( + new File(cachedPaths[CACHE_INDEX_SRC])) == false || + new File(targetPaths[CACHE_INDEX_DOCS_URI]).equals( + new File(cachedPaths[CACHE_INDEX_DOCS_URI])) == false) { + // different paths, force resolve again. + i++; + continue; + } + + if (cachedPaths.length > CACHE_INDEX_OPT_DOCS_URI) { + // compare optional libraries javadoc + if (new File(targetPaths[CACHE_INDEX_OPT_DOCS_URI]).equals( + new File(cachedPaths[CACHE_INDEX_OPT_DOCS_URI])) == false) { + // different paths, force resolve again. + i++; + continue; + } + + // testing the optional jar files is a little bit trickier. + // The order is not guaranteed to be identical. + // From a previous test, we do know however that there is the same number. + // The number of libraries should be low enough that we can simply go through the + // lists manually. + targetLoop: for (int tpi = 4 ; tpi < targetPaths.length; tpi++) { + String targetPath = targetPaths[tpi]; + + // look for a match in the other array + for (int cpi = 4 ; cpi < cachedPaths.length; cpi++) { + if (new File(targetPath).equals(new File(cachedPaths[cpi]))) { + // found a match. Try the next targetPath + continue targetLoop; + } + } + + // if we stop here, we haven't found a match, which means there's a + // discrepancy in the libraries. We force a resolve. + i++; + continue projectLoop; + } + } + + // at the point the check passes, and we can remove the project from the list. + // we do not increment i in this case. + projects.remove(i); + } + } + + /** + * Returns the paths necessary to create the {@link IClasspathEntry} for this targets. + * <p/>The paths are always in the same order. + * <ul> + * <li>Path to android.jar</li> + * <li>Path to the source code for android.jar</li> + * <li>Path to the javadoc for the android platform</li> + * </ul> + * Additionally, if there are optional libraries, the array will contain: + * <ul> + * <li>Path to the libraries javadoc</li> + * <li>Path to the first .jar file</li> + * <li>(more .jar as needed)</li> + * </ul> + */ + private static String[] getTargetPaths(IAndroidTarget target) { + ArrayList<String> paths = new ArrayList<String>(); + + // first, we get the path for android.jar + // The order is: android.jar, source folder, docs folder + paths.add(target.getPath(IAndroidTarget.ANDROID_JAR)); + paths.add(target.getPath(IAndroidTarget.SOURCES)); + paths.add(AdtPlugin.getUrlDoc()); + + // now deal with optional libraries. + IOptionalLibrary[] libraries = target.getOptionalLibraries(); + if (libraries != null) { + // all the optional libraries use the same javadoc, so we start with this + String targetDocPath = target.getPath(IAndroidTarget.DOCS); + if (targetDocPath != null) { + paths.add(ProjectHelper.getJavaDocPath(targetDocPath)); + } else { + // we add an empty string, to always have the same count. + paths.add(""); + } + + // because different libraries could use the same jar file, we make sure we add + // each jar file only once. + HashSet<String> visitedJars = new HashSet<String>(); + for (IOptionalLibrary library : libraries) { + String jarPath = library.getJarPath(); + if (visitedJars.contains(jarPath) == false) { + visitedJars.add(jarPath); + paths.add(jarPath); + } + } + } + + return paths.toArray(new String[paths.size()]); + } + + @Override + public boolean canUpdateClasspathContainer(IPath containerPath, IJavaProject project) { + return true; + } + + @Override + public void requestClasspathContainerUpdate(IPath containerPath, IJavaProject project, + IClasspathContainer containerSuggestion) throws CoreException { + AdtPlugin plugin = AdtPlugin.getDefault(); + + synchronized (Sdk.getLock()) { + boolean sdkIsLoaded = plugin.getSdkLoadStatus() == LoadStatus.LOADED; + + // check if the project has a valid target. + IAndroidTarget target = null; + if (sdkIsLoaded) { + target = Sdk.getCurrent().getTarget(project.getProject()); + } + if (sdkIsLoaded && target != null) { + String[] paths = getTargetPaths(target); + IPath android_lib = new Path(paths[CACHE_INDEX_JAR]); + IClasspathEntry[] entries = containerSuggestion.getClasspathEntries(); + for (int i = 0; i < entries.length; i++) { + IClasspathEntry entry = entries[i]; + if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) { + IPath entryPath = entry.getPath(); + + if (entryPath != null) { + if (entryPath.equals(android_lib)) { + IPath entrySrcPath = entry.getSourceAttachmentPath(); + IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); + if (entrySrcPath != null) { + ProjectHelper.saveStringProperty(root, + getAndroidSourceProperty(target), + entrySrcPath.toString()); + } else { + ProjectHelper.saveStringProperty(root, + getAndroidSourceProperty(target), null); + } + IClasspathAttribute[] extraAttributtes = entry.getExtraAttributes(); + if (extraAttributtes.length == 0) { + ProjectHelper.saveStringProperty(root, PROPERTY_ANDROID_API, + NULL_API_URL); + } + for (int j = 0; j < extraAttributtes.length; j++) { + IClasspathAttribute extraAttribute = extraAttributtes[j]; + String value = extraAttribute.getValue(); + if ((value == null || value.trim().length() == 0) + && IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME + .equals(extraAttribute.getName())) { + value = NULL_API_URL; + } + if (IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME + .equals(extraAttribute.getName())) { + ProjectHelper.saveStringProperty(root, + PROPERTY_ANDROID_API, value); + + } + } + } + } + } + } + rebindClasspathEntries(project.getJavaModel(), containerPath); + } + } + } + + private static void rebindClasspathEntries(IJavaModel model, IPath containerPath) + throws JavaModelException { + ArrayList<IJavaProject> affectedProjects = new ArrayList<IJavaProject>(); + + IJavaProject[] projects = model.getJavaProjects(); + for (int i = 0; i < projects.length; i++) { + IJavaProject project = projects[i]; + IClasspathEntry[] entries = project.getRawClasspath(); + for (int k = 0; k < entries.length; k++) { + IClasspathEntry curr = entries[k]; + if (curr.getEntryKind() == IClasspathEntry.CPE_CONTAINER + && containerPath.equals(curr.getPath())) { + affectedProjects.add(project); + } + } + } + if (!affectedProjects.isEmpty()) { + IJavaProject[] affected = affectedProjects + .toArray(new IJavaProject[affectedProjects.size()]); + updateProjects(affected); + } + } +} |