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/*******************************************************************************
* Copyright (c) 2007, 2008 Symbian Software Limited and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Bala Torati (Symbian) - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.templateengine.process.processes;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import org.eclipse.cdt.core.templateengine.TemplateCore;
import org.eclipse.cdt.core.templateengine.TemplateEngineHelper;
import org.eclipse.cdt.core.templateengine.process.ProcessArgument;
import org.eclipse.cdt.core.templateengine.process.ProcessFailureException;
import org.eclipse.cdt.core.templateengine.process.ProcessHelper;
import org.eclipse.cdt.core.templateengine.process.ProcessRunner;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
/*
* Appends a file to an existing file if present. If not, create the file
*/
public class AppendCreate extends ProcessRunner {
@Override
public void process(TemplateCore template, ProcessArgument[] args, String processId, IProgressMonitor monitor) throws ProcessFailureException {
String projectName = args[0].getSimpleValue();
IProject projectHandle = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
ProcessArgument[][] files = args[1].getComplexArrayValue();
for(int i=0; i<files.length; i++) {
ProcessArgument[] file = files[i];
String sourcePath = file[0].getSimpleValue();
String targetPath = file[1].getSimpleValue();
boolean replaceable = file[2].getSimpleValue().equals("true"); //$NON-NLS-1$
URL sourceURL;
try {
sourceURL = TemplateEngineHelper.getTemplateResourceURLRelativeToTemplate(template, sourcePath);
if (sourceURL == null) {
throw new ProcessFailureException(getProcessMessage(processId, IStatus.ERROR, Messages.getString("AppendCreate.1") + sourcePath)); //$NON-NLS-1$
}
} catch (IOException e1) {
throw new ProcessFailureException(Messages.getString("AppendCreate.2") + sourcePath); //$NON-NLS-1$
}
String fileContents;
try {
fileContents = ProcessHelper.readFromFile(sourceURL);
} catch (IOException e1) {
throw new ProcessFailureException(Messages.getString("AppendCreate.3") + sourcePath); //$NON-NLS-1$
}
if (replaceable) {
fileContents = ProcessHelper.getValueAfterExpandingMacros(fileContents, ProcessHelper.getReplaceKeys(fileContents), template.getValueStore());
}
try {
// Check whether the file exists
IFile iFile = projectHandle.getFile(targetPath);
if (!iFile.getParent().exists()) {
ProcessHelper.mkdirs(projectHandle, projectHandle.getFolder(iFile.getParent().getProjectRelativePath()));
}
InputStream contents = new ByteArrayInputStream(fileContents.getBytes());
if (!iFile.exists()) {
// Create the file
iFile.create(contents, true, null);
iFile.refreshLocal(IResource.DEPTH_ONE, null);
} else {
// Append the file keeping the history
iFile.appendContents(contents, true, true, null);
}
// Update the project
projectHandle.refreshLocal(IResource.DEPTH_INFINITE, null);
} catch (CoreException e) {
throw new ProcessFailureException(Messages.getString("AppendCreate.4"), e); //$NON-NLS-1$
}
}
}
}
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