/*******************************************************************************
* Copyright (c) 2012-2015 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.extension.maven.server.projecttype;
import org.eclipse.che.api.core.ConflictException;
import org.eclipse.che.api.core.ForbiddenException;
import org.eclipse.che.api.core.ServerException;
import org.eclipse.che.api.project.server.FileEntry;
import org.eclipse.che.api.project.server.FolderEntry;
import org.eclipse.che.api.project.server.InvalidValueException;
import org.eclipse.che.api.project.server.ValueProvider;
import org.eclipse.che.api.project.server.ValueProviderFactory;
import org.eclipse.che.api.project.server.ValueStorageException;
import org.eclipse.che.api.project.server.VirtualFileEntry;
import org.eclipse.che.api.vfs.server.VirtualFile;
import org.eclipse.che.ide.extension.maven.shared.MavenAttributes;
import org.eclipse.che.ide.maven.tools.Build;
import org.eclipse.che.ide.maven.tools.Model;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
/**
* @author Evgen Vidolob
*/
public class MavenValueProviderFactory implements ValueProviderFactory {
protected Model readModel(FolderEntry projectFolder) throws ValueStorageException, ServerException, ForbiddenException, IOException {
FileEntry pomFile = (FileEntry)projectFolder.getChild("pom.xml");
if (pomFile == null) {
throw new ValueStorageException("pom.xml does not exist.");
}
return Model.readFrom(pomFile.getInputStream());
}
@Nullable
protected VirtualFile getPom(FolderEntry projectFolder) {
try {
final VirtualFileEntry pomFile = projectFolder.getChild("pom.xml");
if (pomFile != null) {
return pomFile.getVirtualFile();
}
return null;
} catch (ForbiddenException | ServerException e) {
return null;
}
}
protected void throwReadException(Exception e) throws ValueStorageException {
throw new ValueStorageException("Can't read pom.xml : " + e.getMessage());
}
protected void throwWriteException(Exception e) throws ValueStorageException {
throw new ValueStorageException("Can't write pom.xml : " + e.getMessage());
}
@Override
public ValueProvider newInstance(FolderEntry projectFolder) {
return new MavenValueProvider(projectFolder);
}
protected class MavenValueProvider implements ValueProvider {
protected FolderEntry projectFolder;
protected MavenValueProvider(FolderEntry projectFolder) {
this.projectFolder = projectFolder;
}
@Override
public List<String> getValues(String attributeName) throws ValueStorageException {
try {
String value = "";
Model model = readModel(projectFolder);
if (attributeName.equals(MavenAttributes.ARTIFACT_ID))
value = model.getArtifactId();
if (attributeName.equals(MavenAttributes.GROUP_ID))
value = model.getGroupId();
if (attributeName.equals(MavenAttributes.PACKAGING))
value = model.getPackaging();
if (attributeName.equals(MavenAttributes.VERSION))
value = model.getVersion();
if (attributeName.equals(MavenAttributes.PARENT_ARTIFACT_ID) && model.getParent() != null)
value = model.getParent().getArtifactId();
if (attributeName.equals(MavenAttributes.PARENT_GROUP_ID) && model.getParent() != null)
value = model.getParent().getGroupId();
if (attributeName.equals(MavenAttributes.PARENT_VERSION) && model.getParent() != null)
value = model.getParent().getVersion();
if (attributeName.equals(MavenAttributes.SOURCE_FOLDER)) {
Build build = model.getBuild();
if (build != null && build.getSourceDirectory() != null) {
value = build.getSourceDirectory();
} else {
value = "src/main/java";
}
}
if (attributeName.equals(MavenAttributes.TEST_SOURCE_FOLDER)) {
Build build = model.getBuild();
if(build != null && build.getTestSourceDirectory() != null) {
value = build.getTestSourceDirectory();
} else {
value = "src/test/java";
}
}
return Arrays.asList(value);
} catch (ServerException | ForbiddenException | IOException e) {
throwReadException(e);
}
return null;
}
@Override
public void setValues(String attributeName, List<String> value) throws ValueStorageException, InvalidValueException {
try {
VirtualFile pom = getPom(projectFolder);
if(pom == null) {
Model model = Model.createModel();
model.setModelVersion("4.0.0");
projectFolder.createFile("pom.xml", new byte[0], "text/xml");
}
if (attributeName.equals(MavenAttributes.ARTIFACT_ID))
Model.readFrom(pom).setArtifactId(value.get(0)).writeTo(pom);
if (attributeName.equals(MavenAttributes.GROUP_ID))
Model.readFrom(pom).setGroupId(value.get(0)).writeTo(pom);
if (attributeName.equals(MavenAttributes.PACKAGING)) {
Model model = Model.readFrom(pom);
if(model.getPackaging() != null && value.get(0).equals("pom")) {
model.setPackaging(value.get(0)).writeTo(pom);
}
}
if (attributeName.equals(MavenAttributes.VERSION))
Model.readFrom(pom).setVersion(value.get(0)).writeTo(pom);
} catch (ForbiddenException | ServerException | IOException | ConflictException e) {
throwWriteException(e);
}
}
}
}