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Cayenne Object Persistence Framework
/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cayenne.tools;
import java.io.File;
import java.util.Iterator;
import org.apache.tools.ant.BuildException;
import org.apache.cayenne.project.DataNodeConfigInfo;
import org.apache.cayenne.project.ProjectConfigInfo;
import org.apache.cayenne.project.ProjectConfigurator;
import org.apache.cayenne.project.ProjectException;
import org.apache.cayenne.util.Util;
/**
* A "cdeploy" Ant task providing an Ant frontend to
* org.apache.cayenne.project.ProjectConfigurator.
*
* @author Andrei Adamchik
*/
public class DeploymentConfigurator extends CayenneTask {
protected ProjectConfigInfo info;
/**
* Constructor for DeploymentConfigurator.
*/
public DeploymentConfigurator() {
super();
info = new ProjectConfigInfo();
}
public ProjectConfigInfo getInfo() {
return info;
}
/**
* Executes the task. It will be called by ant framework.
*/
public void execute() throws BuildException {
configureLogging();
validateAttributes();
try {
processProject();
}
catch (Exception ex) {
Throwable th = Util.unwindException(ex);
String message = th.getMessage();
StringBuffer buf = new StringBuffer();
if (message != null && message.trim().length() > 0) {
buf.append("Error: [").append(message).append("].");
}
else {
buf.append("Error reconfiguring jar file.");
}
buf
.append(" Source: ")
.append(info.getSourceJar())
.append("; target: ")
.append(info.getDestJar());
String errorMessage = buf.toString();
super.log(errorMessage);
throw new BuildException(errorMessage, ex);
}
}
/**
* Performs validation of task attributes. Throws BuildException if validation fails.
*/
protected void validateAttributes() throws BuildException {
if (info.getSourceJar() == null) {
throw new BuildException("'src' attribute is required.");
}
if (!info.getSourceJar().isFile()) {
throw new BuildException("'src' must be a valid file: " + info.getSourceJar());
}
if (info.getAltProjectFile() != null && !info.getAltProjectFile().isFile()) {
throw new BuildException("'altProjectFile' must be a valid file: "
+ info.getAltProjectFile());
}
Iterator nodes = info.getNodes().iterator();
while (nodes.hasNext()) {
DataNodeConfigInfo node = (DataNodeConfigInfo) nodes.next();
if (node.getName() == null) {
throw new BuildException("'node.name' attribute is required.");
}
if (node.getDataSource() != null && node.getDriverFile() != null) {
throw new BuildException(
"'node.dataSource' and 'node.driverFile' are mutually exclusive.");
}
if (node.getDriverFile() != null && !node.getDriverFile().isFile()) {
throw new BuildException("'node.driverFile' does not exist.");
}
}
}
/**
* Performs the actual work on the project.
*/
protected void processProject() throws ProjectException {
ProjectConfigurator conf = new ProjectConfigurator(info);
conf.execute();
}
public void setSrc(File file) {
info.setSourceJar(file);
}
public void setDest(File file) {
info.setDestJar(file);
}
public void setAltProjectFile(File file) {
info.setAltProjectFile(file);
}
public void addNode(DataNodeConfigInfo node) {
info.addToNodes(node);
}
}
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