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/*
* 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.tuscany.sca.diagram.shell;
import java.io.ByteArrayInputStream;
import java.io.File;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import jline.Completor;
import jline.NullCompletor;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.xml.Utils;
import org.apache.tuscany.sca.impl.NodeImpl;
import org.apache.tuscany.sca.impl.diagram.DiagramGenerator;
import org.apache.tuscany.sca.impl.io.XMLWriter;
import org.apache.tuscany.sca.impl.layout.CompositeEntity;
import org.apache.tuscany.sca.impl.layout.EntityBuilder;
import org.apache.tuscany.sca.shell.Command;
import org.apache.tuscany.sca.shell.Shell;
import org.apache.tuscany.sca.shell.jline.CompositeURICompletor;
import org.apache.tuscany.sca.shell.jline.ICURICompletor;
import org.w3c.dom.Document;
public class DrawShellCommand implements Command {
private Shell shell;
public DrawShellCommand(Shell shell) {
this.shell = shell;
}
public String getName() {
return "draw";
}
public String getShortHelp() {
return "draw <contributionURI> <compositeURI>";
}
public String getHelp() {
StringBuilder helpText = new StringBuilder();
helpText.append("Draws a picture of the composite.\n");
helpText.append("\n");
helpText.append("Arguments:\n");
helpText.append(" contributionURI - (required) the URI of the installed contribution\n");
helpText.append(" compositeURL - (required) the URI of a started composite\n");
return helpText.toString();
}
public boolean invoke(String[] args) throws Exception {
NodeImpl node = (NodeImpl)shell.getNode();
Composite composite = node.getContribution(args[0]).getArtifactModel(args[1]);
//TODO: really all we want is to pass the Tuscany Composite object to the SVG drawing code,
// but for now as that requires an XML file to the Composite to XML:
String compositeXML = Utils.modelToXML(composite, false, node.getExtensionPointRegistry());
DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document doc = db.parse(new ByteArrayInputStream(compositeXML.getBytes()));
EntityBuilder eb = new EntityBuilder(doc);
CompositeEntity comp = eb.buildCompositeEntity();
DiagramGenerator dg = new DiagramGenerator(comp);
Document svg = dg.buildSVGDocument();
File outFile = File.createTempFile("tmp", "svg");
XMLWriter writer = new XMLWriter();
writer.fileWriter(svg, outFile);
new SVGViewer(outFile.toURI().toURL().toString());
return true;
}
public Completor[] getCompletors() {
return new Completor[]{new ICURICompletor(shell), new CompositeURICompletor(shell), new NullCompletor()};
}
}
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