Android Open Source - android-http Head Request Processor

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2012, 2013 the diamond:dogs|group
 *//  w w w. j  av a2s  .  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.service.processor;

import java.util.List;
import java.util.Map;

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import at.diamonddogs.data.adapter.ReplyAdapter;
import at.diamonddogs.data.adapter.ReplyAdapter.Status;
import at.diamonddogs.data.dataobjects.Request;
import at.diamonddogs.data.dataobjects.WebReply;
import at.diamonddogs.data.dataobjects.WebRequest;
import at.diamonddogs.data.dataobjects.WebRequest.Type;
import at.diamonddogs.util.CacheManager.CachedObject;

/**
 * Use or subclass this {@link ServiceProcessor} when processing
 * {@link Type#HEAD} {@link WebRequest}s. {@link HeadRequestProcessor} supports
 * asynchronous and synchronous {@link WebRequest}s.
 */
public class HeadRequestProcessor extends ServiceProcessor<Map<String, List<String>>> implements
        SynchronousProcessor<Map<String, List<String>>> {

  /**
   * The processor's ID
   */
  public static final int ID = 18926342;

  /**
   * {@inheritDoc}
   */
  @Override
  public void processWebReply(Context c, ReplyAdapter r, Handler handler) {
    Message m;
    if (r.getStatus() == Status.OK) {
      m = createReturnMessage(r, ((WebReply) r.getReply()).getReplyHeader());
    } else {
      m = createErrorMessage(r);
    }
    handler.sendMessage(m);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public void processCachedObject(CachedObject cachedObject, Handler handler, Request request) {
    // no cache support
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public int getProcessorID() {
    return ID;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public Map<String, List<String>> obtainDataObjectFromWebReply(Context c, ReplyAdapter reply) {
    if (reply.getReply() == null) {
      return null;
    }
    return ((WebReply) reply.getReply()).getReplyHeader();
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public Map<String, List<String>> obtainDataObjectFromCachedObject(Context c, WebRequest wr, CachedObject object) {
    // no cache support
    return null;
  }
}

Java Source Code List