/**
* Copyright 2012 Martin Wallgren
*
* 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 it.wallgren.android.platform.project;
import org.eclipse.core.resources.FileInfoMatcherDescription;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResourceFilterDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.Map;
public class AndroidPlatformProject extends AndroidProject {
private static String FILE_FILTER_ID = "org.eclipse.ui.ide.patternFilterMatcher";
private static final String[] BROKEN_CLASSPATH_ENTRIES = new String[]{"frameworks/ex/carousel/java"};
private final IPath repoPath;
private final String projectName;
public AndroidPlatformProject(IPath repoPath) {
this.repoPath = repoPath;
this.projectName = getProjectName(repoPath);
}
public static String getProjectName(IPath repoPath) {
return repoPath.lastSegment() + "-platform";
}
@Override
public String getName() {
return projectName;
}
@Override
public IPath getPath() {
return repoPath;
}
@Override
public void doCreate(IProgressMonitor monitor) throws CoreException {
final IProject project = createProject(projectName, monitor);
addJavaNature(project, monitor);
}
private void addJavaNature(IProject project, IProgressMonitor monitor) throws CoreException {
if (project == null) {
throw new IllegalStateException(
"Project must be created before giving it a Java nature");
}
final IFolder repoLink = createRepoLink(monitor, project, repoPath);
IFile classpath = repoLink.getFile("development/ide/eclipse/.classpath");
IFile classpathDestination = project.getFile(".classpath");
if (classpathDestination.exists()) {
classpathDestination.delete(true, monitor);
}
classpath.copy(classpathDestination.getFullPath(), true, monitor);
final IProjectDescription description = project.getDescription();
final String[] natures = description.getNatureIds();
final String[] newNatures = Arrays.copyOf(natures, natures.length + 1);
newNatures[natures.length] = JavaCore.NATURE_ID;
description.setNatureIds(newNatures);
project.setDescription(description, null);
final IJavaProject javaProject = JavaCore.create(project);
@SuppressWarnings("rawtypes")
final Map options = javaProject.getOptions(true);
// Compliance level need to be 1.6
JavaCore.setComplianceOptions(JavaCore.VERSION_1_6, options);
javaProject.setOptions(options);
IClasspathEntry[] classPath = mangleClasspath(javaProject.getRawClasspath(), project,
repoLink);
javaProject.setRawClasspath(classPath, monitor);
javaProject.setOutputLocation(javaProject.getPath().append("out"), monitor);
}
private IClasspathEntry[] mangleClasspath(IClasspathEntry[] rawClasspath, IProject project,
IFolder repoLink) {
LinkedList<IClasspathEntry> entries = new LinkedList<IClasspathEntry>();
// Filter out anything that is not framworks, packages, libcore or R
IFile frameworks = project.getFile("frameworks");
IFile packages = project.getFile("packages");
IFile libcore = project.getFile("libcore");
for (IClasspathEntry entry : rawClasspath) {
if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
// is frameworks source folder or R source folder
if (frameworks.getFullPath().isPrefixOf(entry.getPath())
|| libcore.getFullPath().isPrefixOf(entry.getPath())
|| packages.getFullPath().isPrefixOf(entry.getPath())
|| entry.getPath().lastSegment().equals("R")) {
IPath path = entry.getPath().removeFirstSegments(1);
IFolder entryFolder = repoLink.getFolder(path);
if (!isBroken(entryFolder)) {
entries.add(JavaCore.newSourceEntry(entryFolder.getFullPath()));
}
}
}
}
// Add the special platform libs container
entries.add(getAndroidDependenceis(repoPath));
return entries.toArray(new IClasspathEntry[0]);
}
/**
* Returns true if the classpath entry is non existant or have an
* compile/build error
*
* @param classpathEntry
* @return
*/
private boolean isBroken(IFolder classpathEntry) {
for (String src : BROKEN_CLASSPATH_ENTRIES) {
if (classpathEntry.getFullPath().toString().endsWith(src)) {
return true;
}
}
return !classpathEntry.exists();
}
private IFolder createRepoLink(IProgressMonitor monitor, IProject project, IPath repoPath)
throws CoreException {
final IFolder repoLink = project.getFolder(repoPath.lastSegment());
if (repoLink.exists()) {
// This is an existing project the link already exists
return repoLink;
}
// List of root folders we want to keep, all else is hidden. This is for
// performance reasons. Indexing the entire Android repo is expensive as
// shit
String[] resources = new String[] {
"frameworks", "out", "libcore", "development"
};
for (String res : resources) {
repoLink.createFilter(IResourceFilterDescription.INCLUDE_ONLY
| IResourceFilterDescription.FOLDERS, new FileInfoMatcherDescription(
FILE_FILTER_ID, res), 0, monitor);
}
// Let's filter out some content we don't need. To avoid it being
// indexed
repoLink.createFilter(IResourceFilterDescription.EXCLUDE_ALL
| IResourceFilterDescription.FOLDERS | IResourceFilterDescription.INHERITABLE,
new FileInfoMatcherDescription(FILE_FILTER_ID, "bin"), 0, monitor);
repoLink.createFilter(IResourceFilterDescription.EXCLUDE_ALL
| IResourceFilterDescription.FOLDERS, new FileInfoMatcherDescription(
FILE_FILTER_ID, ".repo"), 0, monitor);
repoLink.createFilter(IResourceFilterDescription.EXCLUDE_ALL
| IResourceFilterDescription.FOLDERS | IResourceFilterDescription.INHERITABLE,
new FileInfoMatcherDescription(FILE_FILTER_ID, ".git"), 0, monitor);
// repoLink.createFilter(IResourceFilterDescription.EXCLUDE_ALL
// | IResourceFilterDescription.FOLDERS, new FileInfoMatcherDescription(
// FILE_FILTER_ID, "out"), 0, monitor);
final IFolder out = repoLink.getFolder("out");
// Only allow target/common/R in the out folder
final int filterFlags = IResourceFilterDescription.INCLUDE_ONLY
| IResourceFilterDescription.FOLDERS | IResourceFilterDescription.FILES;
out.createFilter(filterFlags, new FileInfoMatcherDescription(FILE_FILTER_ID, "target"), 0,
monitor);
final IFolder target = out.getFolder("target");
target.createFilter(filterFlags, new FileInfoMatcherDescription(FILE_FILTER_ID, "common"),
0, monitor);
final IFolder common = target.getFolder("common");
common.createFilter(filterFlags, new FileInfoMatcherDescription(FILE_FILTER_ID, "R"), 0,
monitor);
repoLink.createLink(repoPath, 0, monitor);
return repoLink;
}
private IClasspathEntry getAndroidDependenceis(IPath repoPath) {
return JavaCore.newContainerEntry(new Path(
"it.wallgren.android.platform.classpathContainerInitializer"
+ repoPath.makeAbsolute()));
}
@Override
public boolean preSelected() {
return true;
}
}