defaultxmlentityresolver.java

来自「bpel执行引擎用来执行bpel业务流程」· Java 代码 · 共 51 行

/*
 * 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.ode.utils.xsd;

import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLEntityResolver;
import org.apache.xerces.xni.parser.XMLInputSource;

import java.io.IOException;
import java.net.URL;

/**
 * DefaultXMLEntityResolver - simple resolver that uses expandedURI
 */
class DefaultXMLEntityResolver implements XMLEntityResolver {

  public DefaultXMLEntityResolver() {
    super();
  }

  public XMLInputSource resolveEntity(XMLResourceIdentifier resourceIdentifier)
    throws XNIException, IOException {
    XMLInputSource src = new XMLInputSource(resourceIdentifier);
    String expandedUri = resourceIdentifier.getExpandedSystemId();

    if (expandedUri != null) {
      src.setByteStream(new URL(expandedUri).openStream());
    }

    return src;
  }

}