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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.android.ant;
import com.android.annotations.NonNull;
import com.android.annotations.Nullable;
import com.android.ant.DependencyHelper.AdvancedLibraryProcessor;
import com.android.ant.DependencyHelper.LibraryProcessor;
import com.android.sdklib.internal.project.IPropertySource;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Path.PathElement;
import java.io.File;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Task to get the list of Library Project paths for either the current project or any given
* project.
*
*/
public class GetLibraryPathTask extends Task {
private String mProjectPath;
private String mLibraryFolderPathOut;
private String mLeaf;
private boolean mVerbose = false;
private static class LeafProcessor extends AdvancedLibraryProcessor {
private final static Pattern PH = Pattern.compile("^\\@\\{(.*)\\}$");
private Path mPath;
private final String[] mLeafSegments;
LeafProcessor(Project antProject, String leaf) {
mPath = new Path(antProject);
mLeafSegments = leaf.split("/");
}
@Override
public void processLibrary(String libRootPath, IPropertySource properties) {
StringBuilder sb = new StringBuilder(libRootPath);
for (String segment : mLeafSegments) {
sb.append('/');
Matcher m = PH.matcher(segment);
if (m.matches()) {
String value = properties.getProperty(m.group(1));
if (value == null) {
value = TaskHelper.getDefault(m.group(1));
}
if (value == null) {
throw new BuildException(
"Failed to resolve '" + m.group(1) + "' for project "
+ libRootPath);
}
sb.append(value);
} else {
sb.append(segment);
}
}
PathElement element = mPath.createPathElement();
element.setPath(sb.toString());
}
public Path getPath() {
return mPath;
}
}
public void setProjectPath(String projectPath) {
mProjectPath = projectPath;
}
public void setLibraryFolderPathOut(String libraryFolderPathOut) {
mLibraryFolderPathOut = libraryFolderPathOut;
}
protected String getLibraryFolderPathOut() {
return mLibraryFolderPathOut;
}
public void setLeaf(String leaf) {
mLeaf = leaf;
}
/**
* Sets the value of the "verbose" attribute.
* @param verbose the value.
*/
public void setVerbose(boolean verbose) {
mVerbose = verbose;
}
protected boolean getVerbose() {
return mVerbose;
}
@Override
public void execute() throws BuildException {
if (mLibraryFolderPathOut == null) {
throw new BuildException("Missing attribute libraryFolderPathOut");
}
LibraryProcessor processor = null;
if (mLeaf != null) {
// we need a custom processor
processor = new LeafProcessor(getProject(), mLeaf);
}
if (mProjectPath == null) {
execute(processor);
} else {
DependencyHelper helper = new DependencyHelper(new File(mProjectPath), mVerbose);
execute(helper, processor);
}
}
/**
* Executes the processor on the current project.
* @param processor
* @throws BuildException
*/
protected void execute(@Nullable LibraryProcessor processor) throws BuildException {
final Project antProject = getProject();
DependencyHelper helper = new DependencyHelper(antProject.getBaseDir(),
new IPropertySource() {
@Override
public String getProperty(String name) {
return antProject.getProperty(name);
}
@Override
public void debugPrint() {
}
},
mVerbose);
execute(helper, processor);
}
/**
* Executes the processor using a given DependencyHelper.
* @param helper
* @param processor
* @throws BuildException
*/
private void execute(@NonNull DependencyHelper helper, @Nullable LibraryProcessor processor)
throws BuildException {
final Project antProject = getProject();
System.out.println("Library dependencies:");
if (helper.getLibraryCount() > 0) {
System.out.println("\n------------------\nOrdered libraries:");
helper.processLibraries(processor);
if (mLibraryFolderPathOut != null) {
if (mLeaf == null) {
// Create a Path object of all the libraries in reverse order.
// This is important so that compilation of libraries happens
// in the reverse order.
Path rootPath = new Path(antProject);
List<File> libraries = helper.getLibraries();
for (int i = libraries.size() - 1 ; i >= 0; i--) {
File library = libraries.get(i);
PathElement element = rootPath.createPathElement();
element.setPath(library.getAbsolutePath());
}
antProject.addReference(mLibraryFolderPathOut, rootPath);
} else {
antProject.addReference(mLibraryFolderPathOut,
((LeafProcessor) processor).getPath());
}
}
} else {
System.out.println("No Libraries");
}
}
}
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