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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.interfacedef.relaxws;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.net.URL;

import javax.wsdl.xml.WSDLLocator;

import org.xml.sax.InputSource;

import com.google.code.p.relaxws.parser.RelaxWizParser;

/**
 * WSDLLocator for reading a Relax WS .rws file into a WSDL4J Definition
 */
public class RelaxWSWSDLLocator implements WSDLLocator {

    URL rwsURL;
    String wsdlString;

    public RelaxWSWSDLLocator(URL rwsURL) {
        this.rwsURL = rwsURL;
    }

    public void close() {
    }

    public InputSource getBaseInputSource() {
        if (wsdlString == null) {
            try {
                convertRwsToWsdl();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return new InputSource(new StringReader(wsdlString));
    }

    protected void convertRwsToWsdl() throws Exception {
        RelaxWizParser parser = new RelaxWizParser (new BufferedReader (new InputStreamReader(rwsURL.openStream())));
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Convert2Wsdl convertor = new Convert2Wsdl(parser.service(), new PrintWriter(baos));
        convertor.convert();
        wsdlString = baos.toString();
    }

    public String getBaseURI() {
        return rwsURL.toString();
    }

    public InputSource getImportInputSource(String arg0, String arg1) {
        return null;
    }

    public String getLatestImportURI() {
        return null;
    }

}