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/*
* Copyright 2000-2014 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.
*/
package com.intellij.openapi.diff;
import com.intellij.ide.diff.DiffElement;
import com.intellij.ide.diff.DirDiffSettings;
import com.intellij.openapi.application.ApplicationNamesInfo;
import com.intellij.openapi.fileTypes.UnknownFileType;
import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.vfs.VirtualFile;
/**
* @author max
* @author Konstantin Bulenkov
*/
@SuppressWarnings({"UseOfSystemOutOrSystemErr", "CallToPrintStackTrace"})
public class DiffApplication extends ApplicationStarterBase {
public DiffApplication() {
super("diff", 2);
}
public String getUsageMessage() {
final String scriptName = ApplicationNamesInfo.getInstance().getScriptName();
return DiffBundle.message("diff.application.usage.parameters.and.description", scriptName);
}
public void processCommand(String[] args) throws OperationFailedException {
final String path1 = args[1];
final String path2 = args[2];
final VirtualFile file1 = findFile(path1);
final VirtualFile file2 = findFile(path2);
final boolean areDirs = areDirs(file1, file2);
final boolean areJars = areJars(file1, file2);
if (areDirs || areJars) {
final DirDiffManager diffManager = DirDiffManager.getInstance(ProjectManager.getInstance().getDefaultProject());
final DiffElement d1 = diffManager.createDiffElement(file1);
final DiffElement d2 = diffManager.createDiffElement(file2);
if (d1 == null) {
throw new OperationFailedException(DiffBundle.message("cannot.create.diff.error", path1));
}
if (d2 == null) {
throw new OperationFailedException(DiffBundle.message("cannot.create.diff.error", path1));
}
else if (!diffManager.canShow(d1, d2)) {
throw new OperationFailedException(DiffBundle.message("cannot.compare.error", path1, path2));
}
final DirDiffSettings settings = new DirDiffSettings();
settings.showInFrame = false;
diffManager.showDiff(d1, d2, settings, null);
}
else {
file1.refresh(false, false);
file2.refresh(false, false);
if (file1.getFileType() == UnknownFileType.INSTANCE) {
throw new OperationFailedException(DiffBundle.message("unknown.file.type.error", path1));
}
else if (file2.getFileType() == UnknownFileType.INSTANCE) {
throw new OperationFailedException(DiffBundle.message("unknown.file.type.error", path2));
}
SimpleDiffRequest request = SimpleDiffRequest.compareFiles(file1, file2, ProjectManager.getInstance().getDefaultProject());
request.addHint(DiffTool.HINT_SHOW_MODAL_DIALOG);
DiffManager.getInstance().getIdeaDiffTool().show(request);
}
}
}
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