org.codehaus.mojo.jdepend.JDependXMLReportParser Maven / Gradle / Ivy
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Maven plugin that generates JDepend reports for your projects.
/*
* Copyright 2001-2005 The Apache Software Foundation.
*
* Licensed 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.codehaus.mojo.jdepend;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.codehaus.mojo.jdepend.objects.CyclePackage;
import org.codehaus.mojo.jdepend.objects.JDPackage;
import org.codehaus.mojo.jdepend.objects.Stats;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class JDependXMLReportParser
extends DefaultHandler
{
protected List packages;
protected JDPackage jdpackage;
protected Stats stats;
protected StringBuffer buffer = null;
protected Stack stack;
protected List cycles;
protected CyclePackage cyclePackage;
ReportGenerator report;
private boolean errFlag = false;
/**
* Creates a new instance of JDependXMLReportParser
* @throws SAXException
* @throws ParserConfigurationException
* @throws IOException
*/
public JDependXMLReportParser( File xmlFile )
throws ParserConfigurationException, SAXException, IOException
{
SAXParserFactory factory = SAXParserFactory.newInstance();
/* Create an empty stack */
stack = new Stack();
SAXParser saxParser = factory.newSAXParser();
saxParser.parse( xmlFile, this );
}
public void startElement( String namespaceURI, String sName, String qName, Attributes attrs )
throws SAXException
{
/* Push element name into stack */
stack.push( qName );
//TODO only create a new buffer when the element is expected to have text
buffer = new StringBuffer();
if ( qName.equals( "Packages" ) )
{
packages = new ArrayList();
}
else if ( qName.equals( "Package" ) )
{
if ( isParentElement( "Packages" ) )
{
jdpackage = new JDPackage();
if ( attrs != null )
{
jdpackage.setPackageName( attrs.getValue( 0 ) );
}
}
else if ( isParentElement( "Cycles" ) )
{
cyclePackage = new CyclePackage();
if ( attrs != null )
{
cyclePackage.setName( attrs.getValue( 0 ) );
}
}
}
else if ( qName.equals( "Stats" ) )
{
stats = new Stats();
}
else if ( qName.equals( "Cycles" ) )
{
cycles = new ArrayList();
}
}
public void endElement( String namespaceURI, String sName, String qName )
throws SAXException
{
String elementValue = buffer != null ? buffer.toString().trim() : null;
if ( qName.equals( "Package" ) )
{
if ( isParentElement( "Packages" ) )
{
if ( errFlag == false )
{
jdpackage.setStats( stats );
packages.add( jdpackage );
}
errFlag = false;
}
else if ( isParentElement( "DependsUpon" ) )
{
jdpackage.addDependsUpon( elementValue );
}
else if ( isParentElement( "UsedBy" ) )
{
jdpackage.addUsedBy( elementValue );
}
else if ( isParentElement( "Package" ) )
{
cyclePackage.addPackageList( elementValue );
}
else if ( isParentElement( "Cycles" ) )
{
cycles.add( cyclePackage );
}
}
else if ( qName.equals( "TotalClasses" ) )
{
stats.setTotalClasses( elementValue );
}
else if ( qName.equals( "ConcreteClasses" ) )
{
if ( isParentElement( "Stats" ) )
{
stats.setConcreteClasses( elementValue );
}
}
else if ( qName.equals( "AbstractClasses" ) )
{
if ( isParentElement( "Stats" ) )
{
stats.setAbstractClasses( elementValue );
}
}
else if ( qName.equals( "Ca" ) )
{
stats.setCa( elementValue );
}
else if ( qName.equals( "Ce" ) )
{
stats.setCe( elementValue );
}
else if ( qName.equals( "A" ) )
{
stats.setA( elementValue );
}
else if ( qName.equals( "I" ) )
{
stats.setI( elementValue );
}
else if ( qName.equals( "D" ) )
{
stats.setD( elementValue );
}
else if ( qName.equals( "V" ) )
{
stats.setV( elementValue );
}
else if ( qName.equals( "Class" ) )
{
if ( isParentElement( "AbstractClasses" ) )
{
jdpackage.addAbstractClasses( elementValue );
}
else if ( isParentElement( "ConcreteClasses" ) )
{
jdpackage.addConcreteClasses( elementValue );
}
}
else if ( qName.equals( "error" ) )
{
if ( isParentElement( "Package" ) )
{
errFlag = true;
}
}
if ( stack.size() != 0 )
{
/* Remove element name in stack */
stack.pop();
}
buffer = null;
}
public void characters( char[] buff, int offset, int len )
throws SAXException
{
if ( buffer != null )
{
buffer.append( buff, offset, len );
}
}
public java.util.List getPackages()
{
return this.getPackages();
}
public Stats getStats()
{
return this.stats;
}
private int getParentIndex()
{
int parentIndex = 0;
parentIndex = stack.size() - 2;
return parentIndex;
}
private boolean isParentElement( String parentElement )
{
boolean isParent = false;
isParent = stack.get( getParentIndex() ).toString().equals( parentElement );
return isParent;
}
}
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