wsddreader.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
* Copyright (c) 2006, University of Kent
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
* 
* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
* and/or other materials provided with the distribution. 
*
* 1. Neither the name of the University of Kent nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* 2. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS  
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
* PURPOSE ARE DISCLAIMED. 
*
* 3. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
* POSSIBILITY OF SUCH DAMAGE.
*
* 4. YOU AGREE THAT THE EXCLUSIONS IN PARAGRAPHS 2 AND 3 ABOVE ARE REASONABLE
* IN THE CIRCUMSTANCES.  IN PARTICULAR, YOU ACKNOWLEDGE (1) THAT THIS
* SOFTWARE HAS BEEN MADE AVAILABLE TO YOU FREE OF CHARGE, (2) THAT THIS
* SOFTWARE IS NOT "PRODUCT" QUALITY, BUT HAS BEEN PRODUCED BY A RESEARCH
* GROUP WHO DESIRE TO MAKE THIS SOFTWARE FREELY AVAILABLE TO PEOPLE WHO WISH
* TO USE IT, AND (3) THAT BECAUSE THIS SOFTWARE IS NOT OF "PRODUCT" QUALITY
* IT IS INEVITABLE THAT THERE WILL BE BUGS AND ERRORS, AND POSSIBLY MORE
* SERIOUS FAULTS, IN THIS SOFTWARE.
*
* 5. This license is governed, except to the extent that local laws
* necessarily apply, by the laws of England and Wales.
*/

/*
 * WSDLReader.java - 21/07/2006
 */
package issrg.editor2.WSDLandTAP;

import issrg.editor2.DomainPolicyEditor;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Vector;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

/**
 * Reads WSDD files and returns various properties about the wsdd.
 *
 * @author Christian Azzopardi
 */
public class WSDDReader
{
    public Document document;
    private InputStream WSDDFileDOM;
    String WSDDpath = "";
    
    /** Creates a new instance of WSDLReader */
    public WSDDReader(String WSDDpath) 
    {
        this.WSDDpath = WSDDpath;
        File WSDDFile = new File(WSDDpath);
        
        try
        {
            WSDDFileDOM = new FileInputStream(WSDDFile);
        }
        catch(FileNotFoundException fnfe)
        {
            return;
        }
 
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        try 
        {
            DocumentBuilder builder = factory.newDocumentBuilder();
            this.document = builder.parse(WSDDFileDOM);
            WSDDFileDOM.close();
        }
        catch (SAXException sxe) { }
        catch (ParserConfigurationException pce) { }
        catch (IOException ioe) { }
        catch (SecurityException se) { }
    }    
    
    public NodeList getGlobalConfigurationNodeList()
    {
        return this.document.getElementsByTagName("glocalConfiguration");
    }
    
    public NodeList getHandlerNodeList()
    {
        return this.document.getElementsByTagName("handler");
    }
    
    public NodeList getServiceNodeList()
    {
        return this.document.getElementsByTagName("service");
    }
    
    public NodeList getTransportNodeList()
    {
        return this.document.getElementsByTagName("transport");
    }
    
    public NodeList getTypeMappingNodeList()
    {
        return this.document.getElementsByTagName("typeMapping");
    }  
    
    public NodeList getWSDLLocationNodeList()
    {
        return this.document.getElementsByTagName("wsdlFile");
    }
    
    /**
     * Finds <wsdlFile> tags. 
     * Then extracts the location of the wsdls, and places them in a vector.
     *
     * @return  a vector with String locations to WSDL files.
     */
    public Vector getWSDLFiles()
    {
        Vector wsdls = new Vector();
        NodeList nlist = this.document.getElementsByTagName("wsdlFile");
        for (int i=0; i<nlist.getLength(); i++)
        {
            wsdls.add(nlist.item(i).getFirstChild().getNodeValue());
        }
        return wsdls;
    }
}