Apache CXF example source code file (CatalogWSDLLocator.java)

This example Apache CXF source code file (CatalogWSDLLocator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

bus, catalogwsdllocator, catalogwsdllocator, extendeduriresolver, inputsource, inputsource, io, ioexception, ioexception, malformedurlexception, net, network, oasiscatalogmanager, runtimeexception, sax, string, string, transporturiresolver

The Apache CXF CatalogWSDLLocator.java source code

/**
 * 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.cxf.catalog;

import java.io.IOException;
import java.net.MalformedURLException;

import javax.wsdl.xml.WSDLLocator;

import org.xml.sax.InputSource;

import org.apache.cxf.Bus;
import org.apache.cxf.resource.ExtendedURIResolver;
import org.apache.cxf.transport.TransportURIResolver;

/**
 * Resolves WSDL URIs using Apache Commons Resolver API.
 */
public class CatalogWSDLLocator implements WSDLLocator {

    private String wsdlUrl;
    private ExtendedURIResolver resolver;
    private OASISCatalogManager manager;
    private String baseUri;
    
    public CatalogWSDLLocator(String wsdlUrl) {
        this.baseUri = wsdlUrl;
        this.resolver = new ExtendedURIResolver();        
    }
    public CatalogWSDLLocator(String wsdlUrl, OASISCatalogManager catalogManager) {
        this.baseUri = wsdlUrl;
        this.manager = catalogManager;
        this.resolver = new ExtendedURIResolver();
    }
    public CatalogWSDLLocator(String wsdlUrl, Bus b) {
        this.baseUri = wsdlUrl;
        this.manager = OASISCatalogManager.getCatalogManager(b);
        this.resolver = new TransportURIResolver(b);
    }

    public InputSource getBaseInputSource() {
        InputSource result = null;
        if (manager != null) {
            try {
                String s = manager.resolveSystem(baseUri);
                if (s != null) {
                    result = resolver.resolve(s, null);
                }
            } catch (MalformedURLException e) {
                //ignore
            } catch (IOException e) {
                //ignore
            }
        }
        if (result == null) {
            result = resolver.resolve(baseUri, null);
        }
        if (wsdlUrl == null
            && result != null) {
            wsdlUrl = result.getSystemId();
        }
        baseUri = resolver.getURI();
        return result;
    }

    public String getBaseURI() {
        if (wsdlUrl == null) {
            InputSource is = getBaseInputSource();
            if (is.getByteStream() != null) {
                try {
                    is.getByteStream().close();
                } catch (IOException e) {
                    //ignore
                }
            }
        }
        return wsdlUrl;
    }

    public String getLatestImportURI() {
        return resolver.getLatestImportURI();
    }

    public InputSource getImportInputSource(String parent, String importLocation) {
        String resolvedImportLocation = null;
        if (manager != null) {
            try {
                resolvedImportLocation = this.manager.resolveSystem(importLocation);
                if (resolvedImportLocation == null) {
                    resolvedImportLocation = manager.resolveURI(importLocation);
                }
                if (resolvedImportLocation == null) {
                    resolvedImportLocation = manager.resolvePublic(importLocation, parent);
                }
            } catch (IOException e) {
                throw new RuntimeException("Catalog resolution failed", e);
            }
        }

        InputSource in = null;
        if (resolvedImportLocation == null) {
            in = this.resolver.resolve(importLocation, parent);
        } else {
            in = this.resolver.resolve(resolvedImportLocation, null);
        }

        // XXX: If we return null (as per javadoc), a NPE is raised in WSDL4J code.
        // So let's return new InputSource() and let WSDL4J fail. Optionally, 
        // we can throw a similar exception as in CatalogXmlSchemaURIResolver.
        if (in == null) {
            in = new InputSource();
        }

        return in;
    }

    public void close() {
        resolver.close();
    }
}