/*
* 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.project;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.project.internal.AndroidClasspathContainerInitializer;
import com.android.ide.eclipse.common.AndroidConstants;
import com.android.ide.eclipse.common.project.AndroidManifestParser;
import com.android.ide.eclipse.common.project.BaseProjectHelper;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.QualifiedName;
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.eclipse.jdt.launching.JavaRuntime;
import java.util.ArrayList;
import java.util.List;
/**
* Utility class to manipulate Project parameters/properties.
*/
public final class ProjectHelper {
public final static int COMPILER_COMPLIANCE_OK = 0;
public final static int COMPILER_COMPLIANCE_LEVEL = 1;
public final static int COMPILER_COMPLIANCE_SOURCE = 2;
public final static int COMPILER_COMPLIANCE_CODEGEN_TARGET = 3;
/**
* Adds the corresponding source folder to the class path entries.
*
* @param entries The class path entries to read. A copy will be returned.
* @param new_entry The parent source folder to remove.
* @return A new class path entries array.
*/
public static IClasspathEntry[] addEntryToClasspath(
IClasspathEntry[] entries, IClasspathEntry new_entry) {
int n = entries.length;
IClasspathEntry[] newEntries = new IClasspathEntry[n + 1];
System.arraycopy(entries, 0, newEntries, 0, n);
newEntries[n] = new_entry;
return newEntries;
}
/**
* Remove a classpath entry from the array.
* @param entries The class path entries to read. A copy will be returned
* @param index The index to remove.
* @return A new class path entries array.
*/
public static IClasspathEntry[] removeEntryFromClasspath(
IClasspathEntry[] entries, int index) {
int n = entries.length;
IClasspathEntry[] newEntries = new IClasspathEntry[n-1];
// copy the entries before index
System.arraycopy(entries, 0, newEntries, 0, index);
// copy the entries after index
System.arraycopy(entries, index + 1, newEntries, index,
entries.length - index - 1);
return newEntries;
}
/**
* Converts a OS specific path into a path valid for the java doc location
* attributes of a project.
* @param javaDocOSLocation The OS specific path.
* @return a valid path for the java doc location.
*/
public static String getJavaDocPath(String javaDocOSLocation) {
// first thing we do is convert the \ into /
String javaDoc = javaDocOSLocation.replaceAll("\\\\", //$NON-NLS-1$
AndroidConstants.WS_SEP);
// then we add file: at the beginning for unix path, and file:/ for non
// unix path
if (javaDoc.startsWith(AndroidConstants.WS_SEP)) {
return "file:" + javaDoc; //$NON-NLS-1$
}
return "file:/" + javaDoc; //$NON-NLS-1$
}
/**
* Look for a specific classpath entry by full path and return its index.
* @param entries The entry array to search in.
* @param entryPath The OS specific path of the entry.
* @param entryKind The kind of the entry. Accepted values are 0
* (no filter), IClasspathEntry.CPE_LIBRARY, IClasspathEntry.CPE_PROJECT,
* IClasspathEntry.CPE_SOURCE, IClasspathEntry.CPE_VARIABLE,
* and IClasspathEntry.CPE_CONTAINER
* @return the index of the found classpath entry or -1.
*/
public static int findClasspathEntryByPath(IClasspathEntry[] entries,
String entryPath, int entryKind) {
for (int i = 0 ; i < entries.length ; i++) {
IClasspathEntry entry = entries[i];
int kind = entry.getEntryKind();
if (kind == entryKind || entryKind == 0) {
// get the path
IPath path = entry.getPath();
String osPathString = path.toOSString();
if (osPathString.equals(entryPath)) {
return i;
}
}
}
// not found, return bad index.
return -1;
}
/**
* Look for a specific classpath entry for file name only and return its
* index.
* @param entries The entry array to search in.
* @param entryName The filename of the entry.
* @param entryKind The kind of the entry. Accepted values are 0
* (no filter), IClasspathEntry.CPE_LIBRARY, IClasspathEntry.CPE_PROJECT,
* IClasspathEntry.CPE_SOURCE, IClasspathEntry.CPE_VARIABLE,
* and IClasspathEntry.CPE_CONTAINER
* @param startIndex Index where to start the search
* @return the index of the found classpath entry or -1.
*/
public static int findClasspathEntryByName(IClasspathEntry[] entries,
String entryName, int entryKind, int startIndex) {
if (startIndex < 0) {
startIndex = 0;
}
for (int i = startIndex ; i < entries.length ; i++) {
IClasspathEntry entry = entries[i];
int kind = entry.getEntryKind();
if (kind == entryKind || entryKind == 0) {
// get the path
IPath path = entry.getPath();
String name = path.segment(path.segmentCount()-1);
if (name.equals(entryName)) {
return i;
}
}
}
// not found, return bad index.
return -1;
}
/**
* Fix the project. This checks the SDK location.
* @param project The project to fix.
* @throws JavaModelException
*/
public static void fixProject(IProject project) throws JavaModelException {
if (AdtPlugin.getOsSdkFolder().length() == 0) {
AdtPlugin.printToConsole(project, "Unknown SDK Location, project not fixed.");
return;
}
// get a java project
IJavaProject javaProject = JavaCore.create(project);
fixProjectClasspathEntries(javaProject);
}
/**
* Fix the project classpath entries. The method ensures that:
* <ul>
* <li>The project does not reference any old android.zip/android.jar archive.</li>
* <li>The project does not use its output folder as a sourc folder.</li>
* <li>The project does not reference a desktop JRE</li>
* <li>The project references the AndroidClasspathContainer.
* </ul>
* @param javaProject The project to fix.
* @throws JavaModelException
*/
public static void fixProjectClasspathEntries(IJavaProject javaProject)
throws JavaModelException {
// get the project classpath
IClasspathEntry[] entries = javaProject.getRawClasspath();
IClasspathEntry[] oldEntries = entries;
// check if the JRE is set as library
int jreIndex = ProjectHelper.findClasspathEntryByPath(entries, JavaRuntime.JRE_CONTAINER,
IClasspathEntry.CPE_CONTAINER);
if (jreIndex != -1) {
// the project has a JRE included, we remove it
entries = ProjectHelper.removeEntryFromClasspath(entries, jreIndex);
}
// get the output folder
IPath outputFolder = javaProject.getOutputLocation();
boolean foundContainer = false;
for (int i = 0 ; i < entries.length ;) {
// get the entry and kind
IClasspathEntry entry = entries[i];
int kind = entry.getEntryKind();
if (kind == IClasspathEntry.CPE_SOURCE) {
IPath path = entry.getPath();
if (path.equals(outputFolder)) {
entries = ProjectHelper.removeEntryFromClasspath(entries, i);
// continue, to skip the i++;
continue;
}
} else if (kind == IClasspathEntry.CPE_CONTAINER) {
if (AndroidClasspathContainerInitializer.checkPath(entry.getPath())) {
foundContainer = true;
}
}
i++;
}
// if the framework container is not there, we add it
if (foundContainer == false) {
// add the android container to the array
entries = ProjectHelper.addEntryToClasspath(entries,
AndroidClasspathContainerInitializer.getContainerEntry());
}
// set the new list of entries to the project
if (entries != oldEntries) {
javaProject.setRawClasspath(entries, new NullProgressMonitor());
}
// If needed, check and fix compiler compliance and source compatibility
ProjectHelper.checkAndFixCompilerCompliance(javaProject);
}
/**
* Checks the project compiler compliance level is supported.
* @param javaProject The project to check
* @return <ul>
* <li><code>COMPILER_COMPLIANCE_OK</code> if the project is properly configured</li>
* <li><code>COMPILER_COMPLIANCE_LEVEL</code> for unsupported compiler level</li>
* <li><code>COMPILER_COMPLIANCE_SOURCE</code> for unsupported source compatibility</li>
* <li><code>COMPILER_COMPLIANCE_CODEGEN_TARGET</code> for unsupported .class format</li>
* </ul>
*/
public static final int checkCompilerCompliance(IJavaProject javaProject) {
// get the project compliance level option
String compliance = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
// check it against a list of valid compliance level strings.
if (checkCompliance(compliance) == false) {
// if we didn't find the proper compliance level, we return an error
return COMPILER_COMPLIANCE_LEVEL;
}
// otherwise we check source compatibility
String source = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
// check it against a list of valid compliance level strings.
if (checkCompliance(source) == false) {
// if we didn't find the proper compliance level, we return an error
return COMPILER_COMPLIANCE_SOURCE;
}
// otherwise check codegen level
String codeGen = javaProject.getOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, true);
// check it against a list of valid compliance level strings.
if (checkCompliance(codeGen) == false) {
// if we didn't find the proper compliance level, we return an error
return COMPILER_COMPLIANCE_CODEGEN_TARGET;
}
return COMPILER_COMPLIANCE_OK;
}
/**
* Checks the project compiler compliance level is supported.
* @param project The project to check
* @return <ul>
* <li><code>COMPILER_COMPLIANCE_OK</code> if the project is properly configured</li>
* <li><code>COMPILER_COMPLIANCE_LEVEL</code> for unsupported compiler level</li>
* <li><code>COMPILER_COMPLIANCE_SOURCE</code> for unsupported source compatibility</li>
* <li><code>COMPILER_COMPLIANCE_CODEGEN_TARGET</code> for unsupported .class format</li>
* </ul>
*/
public static final int checkCompilerCompliance(IProject project) {
// get the java project from the IProject resource object
IJavaProject javaProject = JavaCore.create(project);
// check and return the result.
return checkCompilerCompliance(javaProject);
}
/**
* Checks, and fixes if needed, the compiler compliance level, and the source compatibility
* level
* @param project The project to check and fix.
*/
public static final void checkAndFixCompilerCompliance(IProject project) {
// get the java project from the IProject resource object
IJavaProject javaProject = JavaCore.create(project);
// Now we check the compiler compliance level and make sure it is valid
checkAndFixCompilerCompliance(javaProject);
}
/**
* Checks, and fixes if needed, the compiler compliance level, and the source compatibility
* level
* @param javaProject The Java project to check and fix.
*/
public static final void checkAndFixCompilerCompliance(IJavaProject javaProject) {
if (checkCompilerCompliance(javaProject) != COMPILER_COMPLIANCE_OK) {
// setup the preferred compiler compliance level.
javaProject.setOption(JavaCore.COMPILER_COMPLIANCE,
AndroidConstants.COMPILER_COMPLIANCE_PREFERRED);
javaProject.setOption(JavaCore.COMPILER_SOURCE,
AndroidConstants.COMPILER_COMPLIANCE_PREFERRED);
javaProject.setOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
AndroidConstants.COMPILER_COMPLIANCE_PREFERRED);
// clean the project to make sure we recompile
try {
javaProject.getProject().build(IncrementalProjectBuilder.CLEAN_BUILD,
new NullProgressMonitor());
} catch (CoreException e) {
AdtPlugin.printErrorToConsole(javaProject.getProject(),
"Project compiler settings changed. Clean your project.");
}
}
}
/**
* Returns a {@link IProject} by its running application name, as it returned by the AVD.
* <p/>
* <var>applicationName</var> will in most case be the package declared in the manifest, but
* can, in some cases, be a custom process name declared in the manifest, in the
* <code>application</code>, <code>activity</code>, <code>receiver</code>, or
* <code>service</code> nodes.
* @param applicationName The application name.
* @return a project or <code>null</code> if no matching project were found.
*/
public static IProject findAndroidProjectByAppName(String applicationName) {
// Get the list of project for the current workspace
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IProject[] projects = workspace.getRoot().getProjects();
// look for a project that matches the packageName of the app
// we're trying to debug
for (IProject p : projects) {
if (p.isOpen()) {
try {
if (p.hasNature(AndroidConstants.NATURE) == false) {
// ignore non android projects
continue;
}
} catch (CoreException e) {
// failed to get the nature? skip project.
continue;
}
// check that there is indeed a manifest file.
IFile manifestFile = AndroidManifestParser.getManifest(p);
if (manifestFile == null) {
// no file? skip this project.
continue;
}
AndroidManifestParser parser = null;
try {
parser = AndroidManifestParser.parseForData(manifestFile);
} catch (CoreException e) {
// ignore, handled below.
}
if (parser == null) {
// skip this project.
continue;
}
String manifestPackage = parser.getPackage();
if (manifestPackage != null && manifestPackage.equals(applicationName)) {
// this is the project we were looking for!
return p;
} else {
// if the package and application name don't match,
// we look for other possible process names declared in the manifest.
String[] processes = parser.getProcesses();
for (String process : processes) {
if (process.equals(applicationName)) {
return p;
}
}
}
}
}
return null;
}
public static void fixProjectNatureOrder(IProject project) throws CoreException {
IProjectDescription description = project.getDescription();
String[] natures = description.getNatureIds();
// if the android nature is not the first one, we reorder them
if (AndroidConstants.NATURE.equals(natures[0]) == false) {
// look for the index
for (int i = 0 ; i < natures.length ; i++) {
if (AndroidConstants.NATURE.equals(natures[i])) {
// if we try to just reorder the array in one pass, this doesn't do
// anything. I guess JDT check that we are actually adding/removing nature.
// So, first we'll remove the android nature, and then add it back.
// remove the android nature
removeNature(project, AndroidConstants.NATURE);
// now add it back at the first index.
description = project.getDescription();
natures = description.getNatureIds();
String[] newNatures = new String[natures.length + 1];
// first one is android
newNatures[0] = AndroidConstants.NATURE;
// next the rest that was before the android nature
System.arraycopy(natures, 0, newNatures, 1, natures.length);
// set the new natures
description.setNatureIds(newNatures);
project.setDescription(description, null);
// and stop
break;
}
}
}
}
/**
* Removes a specific nature from a project.
* @param project The project to remove the nature from.
* @param nature The nature id to remove.
* @throws CoreException
*/
public static void removeNature(IProject project, String nature) throws CoreException {
IProjectDescription description = project.getDescription();
String[] natures = description.getNatureIds();
// check if the project already has the android nature.
for (int i = 0; i < natures.length; ++i) {
if (nature.equals(natures[i])) {
String[] newNatures = new String[natures.length - 1];
if (i > 0) {
System.arraycopy(natures, 0, newNatures, 0, i);
}
System.arraycopy(natures, i + 1, newNatures, i, natures.length - i - 1);
description.setNatureIds(newNatures);
project.setDescription(description, null);
return;
}
}
}
/**
* Returns if the project has error level markers.
* @param includeReferencedProjects flag to also test the referenced projects.
* @throws CoreException
*/
public static boolean hasError(IProject project, boolean includeReferencedProjects)
throws CoreException {
IMarker[] markers = project.findMarkers(IMarker.PROBLEM, true, IResource.DEPTH_INFINITE);
if (markers != null && markers.length > 0) {
// the project has marker(s). even though they are "problem" we
// don't know their severity. so we loop on them and figure if they
// are warnings or errors
for (IMarker m : markers) {
int s = m.getAttribute(IMarker.SEVERITY, -1);
if (s == IMarker.SEVERITY_ERROR) {
return true;
}
}
}
// test the referenced projects if needed.
if (includeReferencedProjects) {
IProject[] projects = getReferencedProjects(project);
for (IProject p : projects) {
if (hasError(p, false)) {
return true;
}
}
}
return false;
}
/**
* Saves a String property into the persistent storage of a resource.
* @param resource The resource into which the string value is saved.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @param value the value to save
* @return true if the save succeeded.
*/
public static boolean saveStringProperty(IResource resource, String propertyName,
String value) {
QualifiedName qname = new QualifiedName(AdtPlugin.PLUGIN_ID, propertyName);
try {
resource.setPersistentProperty(qname, value);
} catch (CoreException e) {
return false;
}
return true;
}
/**
* Loads a String property from the persistent storage of a resource.
* @param resource The resource from which the string value is loaded.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @return the property value or null if it was not found.
*/
public static String loadStringProperty(IResource resource, String propertyName) {
QualifiedName qname = new QualifiedName(AdtPlugin.PLUGIN_ID, propertyName);
try {
String value = resource.getPersistentProperty(qname);
return value;
} catch (CoreException e) {
return null;
}
}
/**
* Saves a property into the persistent storage of a resource.
* @param resource The resource into which the boolean value is saved.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @param value the value to save
* @return true if the save succeeded.
*/
public static boolean saveBooleanProperty(IResource resource, String propertyName,
boolean value) {
return saveStringProperty(resource, propertyName, Boolean.toString(value));
}
/**
* Loads a boolean property from the persistent storage of the project.
* @param resource The resource from which the boolean value is loaded.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @param defaultValue The default value to return if the property was not found.
* @return the property value or the default value if the property was not found.
*/
public static boolean loadBooleanProperty(IResource resource, String propertyName,
boolean defaultValue) {
String value = loadStringProperty(resource, propertyName);
if (value != null) {
return Boolean.parseBoolean(value);
}
return defaultValue;
}
/**
* Saves the path of a resource into the persistent storate of the project.
* @param resource The resource into which the resource path is saved.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @param value The resource to save. It's its path that is actually stored. If null, an
* empty string is stored.
* @return true if the save succeeded
*/
public static boolean saveResourceProperty(IResource resource, String propertyName,
IResource value) {
if (value != null) {
IPath iPath = value.getProjectRelativePath();
return saveStringProperty(resource, propertyName, iPath.toString());
}
return saveStringProperty(resource, propertyName, ""); //$NON-NLS-1$
}
/**
* Loads the path of a resource from the persistent storage of the project, and returns the
* corresponding IResource object, if it exists in the same project as <code>resource</code>.
* @param resource The resource from which the resource path is loaded.
* @param propertyName the name of the property. The id of the plugin is added to this string.
* @return The corresponding IResource object (or children interface) or null
*/
public static IResource loadResourceProperty(IResource resource, String propertyName) {
String value = loadStringProperty(resource, propertyName);
if (value != null && value.length() > 0) {
return resource.getProject().findMember(value);
}
return null;
}
/**
* Returns the list of referenced project that are opened and Java projects.
* @param project
* @return list of opened referenced java project.
* @throws CoreException
*/
public static IProject[] getReferencedProjects(IProject project) throws CoreException {
IProject[] projects = project.getReferencedProjects();
ArrayList<IProject> list = new ArrayList<IProject>();
for (IProject p : projects) {
if (p.isOpen() && p.hasNature(JavaCore.NATURE_ID)) {
list.add(p);
}
}
return list.toArray(new IProject[list.size()]);
}
/**
* Checks a Java project compiler level option against a list of supported versions.
* @param optionValue the Compiler level option.
* @return true if the option value is supproted.
*/
private static boolean checkCompliance(String optionValue) {
for (String s : AndroidConstants.COMPILER_COMPLIANCE) {
if (s != null && s.equals(optionValue)) {
return true;
}
}
return false;
}
/**
* Returns the apk filename for the given project
* @param project The project.
* @param config An optional config name. Can be null.
*/
public static String getApkFilename(IProject project, String config) {
if (config != null) {
return project.getName() + "-" + config + AndroidConstants.DOT_ANDROID_PACKAGE; //$NON-NLS-1$
}
return project.getName() + AndroidConstants.DOT_ANDROID_PACKAGE;
}
/**
* Find the list of projects on which this JavaProject is dependent on at the compilation level.
*
* @param javaProject Java project that we are looking for the dependencies.
* @return A list of Java projects for which javaProject depend on.
* @throws JavaModelException
*/
public static List<IJavaProject> getAndroidProjectDependencies(IJavaProject javaProject)
throws JavaModelException {
String[] requiredProjectNames = javaProject.getRequiredProjectNames();
// Go from java project name to JavaProject name
IJavaModel javaModel = javaProject.getJavaModel();
// loop through all dependent projects and keep only those that are Android projects
List<IJavaProject> projectList = new ArrayList<IJavaProject>(requiredProjectNames.length);
for (String javaProjectName : requiredProjectNames) {
IJavaProject androidJavaProject = javaModel.getJavaProject(javaProjectName);
//Verify that the project has also the Android Nature
try {
if (!androidJavaProject.getProject().hasNature(AndroidConstants.NATURE)) {
continue;
}
} catch (CoreException e) {
continue;
}
projectList.add(androidJavaProject);
}
return projectList;
}
/**
* Returns the android package file as an IFile object for the specified
* project.
* @param project The project
* @return The android package as an IFile object or null if not found.
*/
public static IFile getApplicationPackage(IProject project) {
// get the output folder
IFolder outputLocation = BaseProjectHelper.getOutputFolder(project);
if (outputLocation == null) {
AdtPlugin.printErrorToConsole(project,
"Failed to get the output location of the project. Check build path properties"
);
return null;
}
// get the package path
String packageName = project.getName() + AndroidConstants.DOT_ANDROID_PACKAGE;
IResource r = outputLocation.findMember(packageName);
// check the package is present
if (r instanceof IFile && r.exists()) {
return (IFile)r;
}
String msg = String.format("Could not find %1$s!", packageName);
AdtPlugin.printErrorToConsole(project, msg);
return null;
}
}
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