/*
* Copyright 2016 ThoughtWorks, Inc.
*
* 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.thoughtworks.go.tfssdk;
import java.io.File;
import java.util.List;
import com.thoughtworks.go.domain.materials.Modification;
import com.thoughtworks.go.domain.materials.Revision;
import com.thoughtworks.go.domain.materials.tfs.TfsCommand;
import com.thoughtworks.go.tfssdk10.TfsSDKCommand;
import com.thoughtworks.go.util.command.CommandArgument;
/**
* Adapter class that sets the thread context classloader to appropriate value
* before delegation to the actual implementation workhorse.
*/
public class TfsSDKCommandTCLAdapter implements TfsCommand {
private final TfsSDKCommand sdkCommandDelegate;
public TfsSDKCommandTCLAdapter(String materialFingerprint, CommandArgument url, String domain, String userName, String password, String workspace, String projectPath) {
sdkCommandDelegate = new TfsSDKCommand(materialFingerprint, url, domain, userName, password, workspace, projectPath);
}
@Override public void checkout(File workingDir, Revision revision) {
ClassLoader tccl = changeClassLoader();
try {
sdkCommandDelegate.init();
sdkCommandDelegate.checkout(workingDir, revision);
} finally {
sdkCommandDelegate.destroy();
resetClassLoader(tccl);
}
}
@Override
public void checkConnection() {
ClassLoader tccl = changeClassLoader();
try {
sdkCommandDelegate.init();
sdkCommandDelegate.checkConnection();
} finally {
sdkCommandDelegate.destroy();
resetClassLoader(tccl);
}
}
@Override public List<Modification> latestModification(File workDir) {
ClassLoader tccl = changeClassLoader();
try {
sdkCommandDelegate.init();
return sdkCommandDelegate.latestModification(workDir);
} finally {
sdkCommandDelegate.destroy();
resetClassLoader(tccl);
}
}
@Override public List<Modification> modificationsSince(File workDir, Revision revision) {
ClassLoader tccl = changeClassLoader();
try {
sdkCommandDelegate.init();
return sdkCommandDelegate.modificationsSince(workDir, revision);
} finally {
sdkCommandDelegate.destroy();
resetClassLoader(tccl);
}
}
private void resetClassLoader(ClassLoader tccl) {
Thread.currentThread().setContextClassLoader(tccl);
}
private ClassLoader changeClassLoader() {
ClassLoader tccl = Thread.currentThread().getContextClassLoader();
resetClassLoader(this.getClass().getClassLoader());
return tccl;
}
}