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/*******************************************************************************
* Copyright (c) 2007 Alphonse Van Assche.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alphonse Van Assche - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.rpmstubby;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.linuxtools.rpmstubby.model.MainPackage;
import org.eclipse.linuxtools.rpmstubby.model.PackageItem;
import org.eclipse.linuxtools.rpmstubby.model.SubPackage;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
/**
* Generates the RPM specfile and the fetch script based on the feature and user
* preferences.
*
*/
public class StubbyGenerator {
private MainPackage mainPackage;
private List<SubPackage> subPackages;
/**
* Creates the specfile and fetch script generator for the given packages.
*
* @param mainPackage
* The main feature.
* @param subPackages
* The included features or plugins.
*/
public StubbyGenerator(MainPackage mainPackage, List<SubPackage> subPackages) {
this.mainPackage = mainPackage;
this.subPackages = subPackages;
}
/**
* Generates a RPM specfile based on the parsed data from the feature.xml.
*
* @return The generated specfile.
*/
public String generateSpecfile() {
StringBuilder buffer = new StringBuilder();
String simplePackageName = getPackageName(mainPackage.getName());
String packageName = "eclipse-" + simplePackageName;
buffer.append("%global eclipse_base %{_libdir}/eclipse\n");
buffer.append("%global install_loc %{_datadir}/eclipse/dropins/"
+ simplePackageName.toLowerCase() + "\n\n");
buffer.append("Name: " + packageName.toLowerCase() + "\n");
buffer.append("Version: "
+ mainPackage.getVersion().replaceAll("\\.qualifier", "")
+ "\n");
buffer.append("Release: 1%{?dist}" + "\n");
buffer.append("Summary: " + mainPackage.getSummary() + "\n\n");
buffer.append("Group: Development/Tools\n");
buffer.append("License: " + mainPackage.getLicense() + "\n");
buffer.append("URL: " + mainPackage.getURL() + "\n");
buffer.append("Source0: #FIXME\n");
buffer.append("BuildArch: noarch\n\n");
buffer.append("BuildRequires: eclipse-pde >= 1:3.4.0\n");
buffer.append("Requires: eclipse-platform >= 3.4.0\n");
buffer.append("\n%description\n" + mainPackage.getDescription() + "\n");
for (SubPackage subPackage : subPackages) {
String subPackageName = getPackageName(subPackage.getName());
buffer.append("\n%package " + subPackageName + "\n");
buffer.append("Summary: " + subPackage.getSummary() + "\n");
buffer.append("Requires: %{name} = %{version}-%{release}\n");
buffer.append("Group: Development/Tools\n\n");
buffer.append("%description " + subPackageName + "\n");
buffer.append(subPackage.getDescription() + "\n");
}
generatePrepSection(buffer);
generateBuildSection(buffer);
buffer.append("%install\n");
buffer.append("install -d -m 755 %{buildroot}%{install_loc}\n\n");
buffer.append("%{__unzip} -q -d %{buildroot}%{install_loc} \\\n");
buffer.append(" build/rpmBuild/" + mainPackage.getName()
+ ".zip \n\n");
generateFilesSections(buffer);
buffer.append("%changelog\n\n");
buffer.append("#FIXME\n");
return buffer.toString();
}
private void generateFilesSections(StringBuilder buffer) {
buffer.append("%files\n");
buffer.append("%{install_loc}\n");
for (String fileName : mainPackage.getDocFiles()) {
buffer.append("%doc ").append(mainPackage.getDocFilesRoot())
.append("/").append(fileName).append("\n");
}
buffer.append("\n");
for (SubPackage subPackage : subPackages) {
buffer.append("%files " + getPackageName(subPackage.getName())
+ "\n");
buffer.append("%dir %{eclipse_base}/features/"
+ subPackage.getName() + "_*/\n");
buffer.append("%doc %{eclipse_base}/features/"
+ subPackage.getName() + "_*/*.html\n");
buffer.append("%{eclipse_base}/features/" + subPackage.getName()
+ "_*/feature.*\n");
buffer.append(getPackageFiles(subPackage.getProvides()) + "\n");
}
}
private void generatePrepSection(StringBuilder buffer) {
buffer.append("\n%prep\n");
buffer.append("#FIXME Replace FIXME with the root directory name in Source0\n");
buffer.append("%setup -q -n FIXME\n\n");
}
private void generateBuildSection(StringBuilder buffer) {
buffer.append("%build\n");
buffer.append("%{eclipse_base}/buildscripts/pdebuild -f ").append(
mainPackage.getName());
buffer.append("\n\n");
}
/**
* Returns the last meaningful part of the feature id before the feature
* substring.
*
* @param packageName
* The feature id from which to extract the name.
* @return The part of the feature id to be used for package name.
*/
public String getPackageName(String packageName) {
String[] packageItems = packageName.split("\\.");
String name = packageItems[packageItems.length - 1];
if (name.equalsIgnoreCase("feature")) {
name = packageItems[packageItems.length - 2];
}
return name;
}
/**
* Writes the given contents to a file with the given fileName in the
* specified project.
*
* @param projectName
* The name of the project to put the file into.
* @param fileName
* The name of the file.
* @param contents
* The contents of the file.
* @throws CoreException
* Thrown when the project doesn't exist.
*/
public void writeContent(String projectName, String fileName,
String contents) throws CoreException {
InputStream contentInputStream = new ByteArrayInputStream(
contents.getBytes());
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = root.findMember(new Path(projectName));
if (!resource.exists() || !(resource instanceof IContainer)) {
throwCoreException("Project \"" + projectName
+ "\" does not exist.");
}
IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(fileName));
try {
InputStream stream = contentInputStream;
if (file.exists()) {
file.setContents(stream, true, true, null);
} else {
file.create(stream, true, null);
}
stream.close();
} catch (IOException e) {
StubbyLog.logError(e);
}
StubbyPlugin.getActiveWorkbenchShell().getDisplay()
.asyncExec(new Runnable() {
public void run() {
IWorkbenchPage page = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage();
try {
IDE.openEditor(page, file, true);
} catch (PartInitException e) {
StubbyLog.logError(e);
}
}
});
}
private void throwCoreException(String message) throws CoreException {
IStatus status = new Status(IStatus.ERROR, StubbyPlugin.PLUGIN_ID,
IStatus.OK, message, null);
throw new CoreException(status);
}
private String getPackageFiles(List<PackageItem> packageItems) {
StringBuilder toRet = new StringBuilder();
for (PackageItem packageItem : packageItems) {
toRet.append("%{eclipse_base}/plugins/")
.append(packageItem.getName()).append("_*.jar\n");
}
return toRet.toString();
}
}
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