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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* 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.
*/
/*
* User: anna
* Date: 27-Dec-2007
*/
package com.intellij.openapi.roots.impl;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.CompilerModuleExtension;
import com.intellij.openapi.roots.CompilerProjectExtension;
import com.intellij.openapi.roots.ProjectExtension;
import com.intellij.openapi.roots.WatchedRootsProvider;
import com.intellij.openapi.util.InvalidDataException;
import com.intellij.openapi.util.WriteExternalException;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.pointers.VirtualFilePointer;
import com.intellij.openapi.vfs.pointers.VirtualFilePointerManager;
import com.intellij.util.containers.HashSet;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Set;
public class CompilerProjectExtensionImpl extends CompilerProjectExtension {
@NonNls private static final String OUTPUT_TAG = "output";
@NonNls private static final String URL = "url";
private VirtualFilePointer myCompilerOutput;
private LocalFileSystem.WatchRequest myCompilerOutputWatchRequest;
private final Project myProject;
public CompilerProjectExtensionImpl(final Project project) {
myProject = project;
}
private void readExternal(final Element element) {
final Element outputPathChild = element.getChild(OUTPUT_TAG);
if (outputPathChild != null) {
String outputPath = outputPathChild.getAttributeValue(URL);
assert myCompilerOutput == null;
myCompilerOutput = VirtualFilePointerManager.getInstance().create(outputPath, myProject, null);
}
}
private void writeExternal(final Element element) {
if (myCompilerOutput != null) {
final Element pathElement = new Element(OUTPUT_TAG);
pathElement.setAttribute(URL, myCompilerOutput.getUrl());
element.addContent(pathElement);
}
}
@Override
@Nullable
public VirtualFile getCompilerOutput() {
if (myCompilerOutput == null) return null;
return myCompilerOutput.getFile();
}
@Override
@Nullable
public String getCompilerOutputUrl() {
if (myCompilerOutput == null) return null;
return myCompilerOutput.getUrl();
}
@Override
public VirtualFilePointer getCompilerOutputPointer() {
return myCompilerOutput;
}
@Override
public void setCompilerOutputPointer(VirtualFilePointer pointer) {
myCompilerOutput = pointer;
}
@Override
public void setCompilerOutputUrl(String compilerOutputUrl) {
VirtualFilePointer pointer = VirtualFilePointerManager.getInstance().create(compilerOutputUrl, myProject, null);
setCompilerOutputPointer(pointer);
myCompilerOutputWatchRequest = LocalFileSystem.getInstance().replaceWatchedRoot(myCompilerOutputWatchRequest, compilerOutputUrl, true);
}
@NotNull
private Set<String> getRootsToWatch() {
final Set<String> rootsToWatch = new HashSet<String>();
Module[] modules = ModuleManager.getInstance(myProject).getModules();
for (Module module : modules) {
final String compilerOutputPath = ProjectRootManagerImpl.extractLocalPath(CompilerModuleExtension.getInstance(module).getCompilerOutputUrl());
if (compilerOutputPath.length() > 0) {
rootsToWatch.add(compilerOutputPath);
}
final String compilerOutputPathForTests =
ProjectRootManagerImpl.extractLocalPath(CompilerModuleExtension.getInstance(module).getCompilerOutputUrlForTests());
if (compilerOutputPathForTests.length() > 0) {
rootsToWatch.add(compilerOutputPathForTests);
}
}
if (myCompilerOutput != null) {
final String url = myCompilerOutput.getUrl();
rootsToWatch.add(ProjectRootManagerImpl.extractLocalPath(url));
}
return rootsToWatch;
}
private static CompilerProjectExtensionImpl getImpl(final Project project) {
return (CompilerProjectExtensionImpl)CompilerProjectExtension.getInstance(project);
}
public static class MyProjectExtension extends ProjectExtension {
private final Project myProject;
public MyProjectExtension(final Project project) {
myProject = project;
}
@Override
public void readExternal(final Element element) throws InvalidDataException {
getImpl(myProject).readExternal(element);
}
@Override
public void writeExternal(final Element element) throws WriteExternalException {
getImpl(myProject).writeExternal(element);
}
}
public static class MyWatchedRootsProvider implements WatchedRootsProvider {
private final Project myProject;
public MyWatchedRootsProvider(final Project project) {
myProject = project;
}
@Override
@NotNull
public Set<String> getRootsToWatch() {
return getImpl(myProject).getRootsToWatch();
}
}
}
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