Android Open Source - android-http Soap Request Adapter

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2012, 2013 the diamond:dogs|group
 *//  w  ww  . j a  v a2  s  . c  o  m
 * 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 at.diamonddogs.data.adapter.soap;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.http.entity.ByteArrayEntity;
import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.kxml2.io.KXmlSerializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmlpull.v1.XmlSerializer;

import at.diamonddogs.data.dataobjects.SoapRequest;
import at.diamonddogs.data.dataobjects.WebRequest;
import at.diamonddogs.data.dataobjects.WebRequest.Type;

/**
 * 
 */
public class SoapRequestAdapter {

  private static final Logger LOGGER = LoggerFactory.getLogger(SoapRequestAdapter.class);
  private static final String USERAGENT = "android-http";

  private String xmlVersionTag = "";
  private SoapRequest request;

  /**
   * Default constructor
   * 
   * @param webRequest
   *            the {@link WebRequest} to be soapanized
   * @param soapAction
   *            the SOAP action
   * @param envelope
   *            the envelope
   */
  public SoapRequestAdapter(WebRequest webRequest, String soapAction, SoapSerializationEnvelope envelope) {
    request = new SoapRequest(webRequest);
    initRequest(soapAction, envelope);
  }

  private void initRequest(String soapAction, SoapSerializationEnvelope envelope) {
    byte[] requestData = new byte[1];
    try {
      requestData = createRequestData(envelope);
    } catch (Throwable tr) {
      LOGGER.warn("Could not create requestdata from envelope", tr);
    }
    request.setRequestType(Type.POST);
    request.addHeaderField("User-Agent", USERAGENT);
    request.addHeaderField("SOAPAction", soapAction);
    request.addHeaderField("Content-Type", "text/xml");
    request.addHeaderField("Connection", "close");
    request.addHeaderField("Content-Length", String.valueOf(requestData.length));
    request.setHttpEntity(new ByteArrayEntity(requestData));
    request.setEnvelope(envelope);
  }

  /**
   * Code taken from ksoap2 - Transport.java | MIT
   * 
   * Serializes the request.
   */
  private byte[] createRequestData(SoapEnvelope envelope) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    bos.write(xmlVersionTag.getBytes());
    XmlSerializer xw = new KXmlSerializer();
    xw.setOutput(bos, null);
    envelope.write(xw);
    xw.flush();
    bos.write('\r');
    bos.write('\n');
    return bos.toByteArray();
  }

  /**
   * Code taken from ksoap2 - Transport.java | MIT
   * 
   * Sets the version tag for the outgoing soap call. Example <?xml
   * version=\"1.0\" encoding=\"UTF-8\"?>
   * 
   * @param tag
   *            the xml string to set at the top of the soap message.
   */
  public void setXmlVersionTag(String tag) {
    xmlVersionTag = tag;
  }

  /**
   * Returns the usable {@link SoapRequest}
   * 
   * @return a {@link SoapRequest}
   */
  public SoapRequest getRequest() {
    return request;
  }
}

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