ClassConfig.java

/**
 * Copyright 2006 OCLC Online Computer Library Center 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.oclc.oomRef.config;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import javax.xml.transform.TransformerException;

import org.apache.xpath.XPathAPI;
import org.oclc.util.XMLHelper;
import org.w3c.dom.Node;
import org.w3c.dom.traversal.NodeIterator;

/**
 * @author Jeffrey A. Young
 *
 * TODO Describe type
 */
public class ClassConfig implements info.openurl.oom.config.ClassConfig{
    private Node classNode;

    ClassConfig(Node classNode) {
        this.classNode = classNode;
    }
    
    public String getClassName() throws TransformerException {
        return XPathAPI.eval(classNode, "oomRef:className",
                XMLHelper.getXmlnsEl()).str();
    }

    public String getArg(String key) throws TransformerException {
        String xpath = new StringBuffer("oomRef:args/oomRef:")
        .append(key)
        .toString();
        return XPathAPI.eval(classNode, xpath, XMLHelper.getXmlnsEl()).str();
    }

//	public NodeIterator getArgNodeIterator(String key)
//	throws TransformerException {
//		String xpath = new StringBuffer("oomRef:args/oomRef:")
//		.append(key)
//		.toString();
//		return XPathAPI.selectNodeIterator(classNode, xpath,
//                XMLHelper.getXmlnsEl());
//	}

    public String[] getArgs(String key) throws TransformerException {
        ArrayList args = new ArrayList();
        
        String xpath = new StringBuffer("oomRef:args/oomRef:")
        .append(key)
        .toString();
        NodeIterator iter =
            XPathAPI.selectNodeIterator(classNode, xpath,
                    XMLHelper.getXmlnsEl());
        Node node;
        while ((node = iter.nextNode()) != null) {
            args.add(XPathAPI.eval(node, ".").str());
        }
        return (String[]) args.toArray(new String[args.size()]);
    }

    public Map getArgs() throws TransformerException {
        Map map = new HashMap();

        if (classNode != null) {
            NodeIterator iter =
                XPathAPI.selectNodeIterator(classNode, "oomRef:args/*",
                        XMLHelper.getXmlnsEl());
            Node node;
            while ((node = iter.nextNode()) != null) {
                String key = XPathAPI.eval(node, "name()").str();
                map.put(key, XPathAPI.eval(node, ".").str());
            }
        }
        return map;
    }

//    public URI getClassID() throws TransformerException, URISyntaxException {
//        return new URI(XPathAPI.eval(classNode, "@ID",
//                    XMLHelper.getXmlnsEl()).str());
//    }
}