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Apache CXF example source code file (TransportURIResolver.java)
This example Apache CXF source code file (TransportURIResolver.java) is included in the DevDaily.com
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The Apache CXF TransportURIResolver.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.transport;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashSet;
import java.util.Set;
import org.xml.sax.InputSource;
import org.apache.cxf.Bus;
import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.helpers.LoadingByteArrayOutputStream;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.resource.ExtendedURIResolver;
import org.apache.cxf.service.model.EndpointInfo;
/**
*
*/
public class TransportURIResolver extends ExtendedURIResolver {
private static final Set<String> DEFAULT_URI_RESOLVER_HANDLES = new HashSet();
static {
//bunch we really don't want to have the conduits checked for
//as we know the conduits don't handle. No point
//wasting the time checking/loading conduits and such
DEFAULT_URI_RESOLVER_HANDLES.add("file");
DEFAULT_URI_RESOLVER_HANDLES.add("classpath");
DEFAULT_URI_RESOLVER_HANDLES.add("wsjar");
DEFAULT_URI_RESOLVER_HANDLES.add("jar");
DEFAULT_URI_RESOLVER_HANDLES.add("zip");
}
protected Bus bus;
public TransportURIResolver(Bus b) {
super();
bus = b;
}
public InputSource resolve(String curUri, String baseUri) {
// Spaces must be encoded or URI.resolve() will choke
curUri = curUri.replace(" ", "%20");
InputSource is = null;
URI base;
try {
if (baseUri == null) {
base = new URI(curUri);
} else {
base = new URI(baseUri);
base = base.resolve(curUri);
}
} catch (URISyntaxException use) {
//ignore
base = null;
}
try {
if (base == null
|| DEFAULT_URI_RESOLVER_HANDLES.contains(base.getScheme())) {
is = super.resolve(curUri, baseUri);
}
} catch (Exception ex) {
//nothing
}
if (is == null && base != null
&& base.getScheme() != null) {
try {
ConduitInitiatorManager mgr = bus.getExtension(ConduitInitiatorManager.class);
ConduitInitiator ci = null;
if ("http".equals(base.getScheme()) || "https".equals(base.getScheme())) {
//common case, don't "search"
ci = mgr.getConduitInitiator("http://cxf.apache.org/transports/http");
}
if (ci == null) {
ci = mgr.getConduitInitiatorForUri(base.toString());
}
if (ci != null) {
EndpointInfo info = new EndpointInfo();
info.setAddress(base.toString());
final Conduit c = ci.getConduit(info);
Message message = new MessageImpl();
Exchange exch = new ExchangeImpl();
message.setExchange(exch);
message.put(Message.HTTP_REQUEST_METHOD, "GET");
c.setMessageObserver(new MessageObserver() {
public void onMessage(Message message) {
LoadingByteArrayOutputStream bout = new LoadingByteArrayOutputStream();
try {
IOUtils.copy(message.getContent(InputStream.class), bout);
message.getExchange().put(InputStream.class, bout.createInputStream());
c.close(message);
} catch (IOException e) {
//ignore
}
}
});
c.prepare(message);
c.close(message);
InputStream ins = exch.get(InputStream.class);
resourceOpened.addElement(ins);
InputSource src = new InputSource(ins);
src.setPublicId(base.toString());
src.setSystemId(base.toString());
lastestImportUri = base.toString();
currentResolver.unresolve();
return src;
}
} catch (Exception e) {
//ignore
}
}
if (is == null
&& (base == null
|| base.getScheme() == null
|| !DEFAULT_URI_RESOLVER_HANDLES.contains(base.getScheme()))) {
is = super.resolve(curUri, baseUri);
}
return is;
}
}
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