src/org/apache/http/protocol/BasicHttpProcessor.java - platform/external/apache-http - Git at Google

 /*
  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/BasicHttpProcessor.java $
  * $Revision: 613298 $
  * $Date: 2008-01-18 14:09:22 -0800 (Fri, 18 Jan 2008) $
  *
  * ====================================================================
  * 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.
  * ====================================================================
  *
  * This software consists of voluntary contributions made by many
  * individuals on behalf of the Apache Software Foundation.  For more
  * information on the Apache Software Foundation, please see
  * <http://www.apache.org/>.
  *
  */

 package org.apache.http.protocol;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;

 import org.apache.http.HttpException;
 import org.apache.http.HttpRequest;
 import org.apache.http.HttpRequestInterceptor;
 import org.apache.http.HttpResponse;
 import org.apache.http.HttpResponseInterceptor;

 /**
  * Keeps lists of interceptors for processing requests and responses.
  *
  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
  * @author Andrea Selva
  *
  * @version $Revision: 613298 $
  *
  * @since 4.0
  *
  * @deprecated Please use {@link java.net.URL#openConnection} instead.
  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
  *     for further details.
  */
 @Deprecated
 public final class BasicHttpProcessor implements
     HttpProcessor, HttpRequestInterceptorList, HttpResponseInterceptorList, Cloneable {

     protected List requestInterceptors = null;
     protected List responseInterceptors = null;


     // non-Javadoc, see interface HttpRequestInterceptorList
     public void addRequestInterceptor(final HttpRequestInterceptor itcp) {

         if (itcp == null) {
             return;
         }
         if (this.requestInterceptors == null) {
             this.requestInterceptors = new ArrayList();
         }
         this.requestInterceptors.add(itcp);
     }

     // non-Javadoc, see interface HttpRequestInterceptorList
     public void addRequestInterceptor(final HttpRequestInterceptor itcp,
                                       int index) {
         if (index < 0) {
             throw new IndexOutOfBoundsException(String.valueOf(index));
         }
         if (itcp == null) {
             return;
         }

         if (this.requestInterceptors == null) {
             if (index > 0) {
                 throw new IndexOutOfBoundsException(String.valueOf(index));
             }
             this.requestInterceptors = new ArrayList();
         }
         this.requestInterceptors.add(index, itcp);
     }


     public void addResponseInterceptor(HttpResponseInterceptor itcp,
                                        int index) {
         if (index < 0) {
             throw new IndexOutOfBoundsException(String.valueOf(index));
         }
         if (itcp == null) {
             return;
         }

         if (this.responseInterceptors == null) {
             if (index > 0) {
                 throw new IndexOutOfBoundsException(String.valueOf(index));
             }
             this.responseInterceptors = new ArrayList();
         }
         this.responseInterceptors.add(index, itcp);
     }


     // non-Javadoc, see interface HttpRequestInterceptorList
     public void removeRequestInterceptorByClass(final Class clazz) {
         if (this.requestInterceptors == null) {
             return;
         }
         for (Iterator it = this.requestInterceptors.iterator();
              it.hasNext(); ) {
             Object request = it.next();
             if (request.getClass().equals(clazz)) {
                 it.remove();
             }
         }
     }

     // non-Javadoc, see interface HttpResponseInterceptorList
     public void removeResponseInterceptorByClass(final Class clazz) {
         if (this.responseInterceptors == null) {
             return;
         }
         for (Iterator it = this.responseInterceptors.iterator();
              it.hasNext(); ) {
             Object request = it.next();
             if (request.getClass().equals(clazz)) {
                 it.remove();
             }
         }
     }

     /**
      * Same as {@link #addRequestInterceptor(HttpRequestInterceptor) addRequestInterceptor}.
      *
      * @param interceptor       the interceptor to add
      */
     public final
             void addInterceptor(final HttpRequestInterceptor interceptor) {
         addRequestInterceptor(interceptor);
     }

      public final
             void addInterceptor(final HttpRequestInterceptor interceptor,
                                 int index) {
         addRequestInterceptor(interceptor, index);
     }


     // non-Javadoc, see interface HttpRequestInterceptorList
     public int getRequestInterceptorCount() {
         return (this.requestInterceptors == null) ?
             0 : this.requestInterceptors.size();
     }


     // non-Javadoc, see interface HttpRequestInterceptorList
     public HttpRequestInterceptor getRequestInterceptor(int index) {

         if ((this.requestInterceptors == null) ||
                 (index < 0) || (index >= this.requestInterceptors.size()))
             return null;

         return (HttpRequestInterceptor) this.requestInterceptors.get(index);
     }


     // non-Javadoc, see interface HttpRequestInterceptorList
     public void clearRequestInterceptors() {
         this.requestInterceptors = null;
     }


     // non-Javadoc, see interface HttpResponseInterceptorList
     public void addResponseInterceptor(final HttpResponseInterceptor itcp) {
         if (itcp == null) {
             return;
         }
         if (this.responseInterceptors == null) {
             this.responseInterceptors = new ArrayList();
         }
         this.responseInterceptors.add(itcp);
     }

     /**
      * Same as {@link #addResponseInterceptor(HttpResponseInterceptor) addResponseInterceptor}.
      *
      * @param interceptor       the interceptor to add
      */
     public final
             void addInterceptor(final HttpResponseInterceptor interceptor) {
         addResponseInterceptor(interceptor);
     }

     public final void addInterceptor(final HttpResponseInterceptor interceptor,
                                      int index) {
         addResponseInterceptor(interceptor, index);
     }


     // non-Javadoc, see interface HttpResponseInterceptorList
     public int getResponseInterceptorCount() {
         return (this.responseInterceptors == null) ?
             0 : this.responseInterceptors.size();
     }


     // non-Javadoc, see interface HttpResponseInterceptorList
     public HttpResponseInterceptor getResponseInterceptor(int index) {

         if ((this.responseInterceptors == null) ||
                 (index < 0) || (index >= this.responseInterceptors.size()))
             return null;

         return (HttpResponseInterceptor) this.responseInterceptors.get(index);
     }


     // non-Javadoc, see interface HttpResponseInterceptorList
     public void clearResponseInterceptors() {
         this.responseInterceptors = null;
     }


     /**
      * Sets the interceptor lists.
      * First, both interceptor lists maintained by this processor
      * will be cleared.
      * Subsequently,
      * elements of the argument list that are request interceptors will be
      * added to the request interceptor list.
      * Elements that are response interceptors will be
      * added to the response interceptor list.
      * Elements that are both request and response interceptor will be
      * added to both lists.
      * Elements that are neither request nor response interceptor
      * will be ignored.
      *
      * @param list      the list of request and response interceptors
      *                  from which to initialize
      */
     public void setInterceptors(final List list) {
         if (list == null) {
             throw new IllegalArgumentException("List must not be null.");
         }
         if (this.requestInterceptors != null) {
             this.requestInterceptors.clear();
         }
         if (this.responseInterceptors != null) {
             this.responseInterceptors.clear();
         }
         for (int i = 0; i < list.size(); i++) {
             Object obj = list.get(i);
             if (obj instanceof HttpRequestInterceptor) {
                 addInterceptor((HttpRequestInterceptor)obj);
             }
             if (obj instanceof HttpResponseInterceptor) {
                 addInterceptor((HttpResponseInterceptor)obj);
             }
         }
     }

     /**
      * Clears both interceptor lists maintained by this processor.
      */
     public void clearInterceptors() {
         clearRequestInterceptors();
         clearResponseInterceptors();
     }

     // non-Javadoc, see interface HttpRequestInterceptor (via HttpProcessor)
     public void process(
             final HttpRequest request,
             final HttpContext context)
             throws IOException, HttpException {
         if (this.requestInterceptors != null) {
             for (int i = 0; i < this.requestInterceptors.size(); i++) {
                 HttpRequestInterceptor interceptor =
                     (HttpRequestInterceptor) this.requestInterceptors.get(i);
                 interceptor.process(request, context);
             }
         }
     }

     // non-Javadoc, see interface HttpResponseInterceptor (via HttpProcessor)
     public void process(
             final HttpResponse response,
             final HttpContext context)
             throws IOException, HttpException {
         if (this.responseInterceptors != null) {
             for (int i = 0; i < this.responseInterceptors.size(); i++) {
                 HttpResponseInterceptor interceptor =
                     (HttpResponseInterceptor) this.responseInterceptors.get(i);
                 interceptor.process(response, context);
             }
         }
     }

     protected void copyInterceptors(final BasicHttpProcessor target) {
         if (this.requestInterceptors != null) {
             target.requestInterceptors =
                 new ArrayList(this.requestInterceptors);
         }
         if (this.responseInterceptors != null) {
             target.responseInterceptors =
                 new ArrayList(this.responseInterceptors);
         }
     }

     /**
      * Creates a copy of this instance
      *
      * @return new instance of the BasicHttpProcessor
      */
     public BasicHttpProcessor copy() {
         BasicHttpProcessor clone = new BasicHttpProcessor();
         copyInterceptors(clone);
         return clone;
     }

     public Object clone() throws CloneNotSupportedException {
         BasicHttpProcessor clone = (BasicHttpProcessor) super.clone();
         copyInterceptors(clone);
         return clone;
     }

 }
	/*
	* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/BasicHttpProcessor.java $
	* $Revision: 613298 $
	* $Date: 2008-01-18 14:09:22 -0800 (Fri, 18 Jan 2008) $
	*
	* ====================================================================
	* 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.
	* ====================================================================
	*
	* This software consists of voluntary contributions made by many
	* individuals on behalf of the Apache Software Foundation. For more
	* information on the Apache Software Foundation, please see
	* <http://www.apache.org/>.
	*
	*/

	package org.apache.http.protocol;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;

	import org.apache.http.HttpException;
	import org.apache.http.HttpRequest;
	import org.apache.http.HttpRequestInterceptor;
	import org.apache.http.HttpResponse;
	import org.apache.http.HttpResponseInterceptor;

	/**
	* Keeps lists of interceptors for processing requests and responses.
	*
	* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
	* @author Andrea Selva
	*
	* @version $Revision: 613298 $
	*
	* @since 4.0
	*
	* @deprecated Please use {@link java.net.URL#openConnection} instead.
	* Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
	* for further details.
	*/
	@Deprecated
	public final class BasicHttpProcessor implements
	HttpProcessor, HttpRequestInterceptorList, HttpResponseInterceptorList, Cloneable {

	protected List requestInterceptors = null;
	protected List responseInterceptors = null;


	// non-Javadoc, see interface HttpRequestInterceptorList
	public void addRequestInterceptor(final HttpRequestInterceptor itcp) {

	if (itcp == null) {
	return;
	}
	if (this.requestInterceptors == null) {
	this.requestInterceptors = new ArrayList();
	}
	this.requestInterceptors.add(itcp);
	}

	// non-Javadoc, see interface HttpRequestInterceptorList
	public void addRequestInterceptor(final HttpRequestInterceptor itcp,
	int index) {
	if (index < 0) {
	throw new IndexOutOfBoundsException(String.valueOf(index));
	}
	if (itcp == null) {
	return;
	}

	if (this.requestInterceptors == null) {
	if (index > 0) {
	throw new IndexOutOfBoundsException(String.valueOf(index));
	}
	this.requestInterceptors = new ArrayList();
	}
	this.requestInterceptors.add(index, itcp);
	}


	public void addResponseInterceptor(HttpResponseInterceptor itcp,
	int index) {
	if (index < 0) {
	throw new IndexOutOfBoundsException(String.valueOf(index));
	}
	if (itcp == null) {
	return;
	}

	if (this.responseInterceptors == null) {
	if (index > 0) {
	throw new IndexOutOfBoundsException(String.valueOf(index));
	}
	this.responseInterceptors = new ArrayList();
	}
	this.responseInterceptors.add(index, itcp);
	}


	// non-Javadoc, see interface HttpRequestInterceptorList
	public void removeRequestInterceptorByClass(final Class clazz) {
	if (this.requestInterceptors == null) {
	return;
	}
	for (Iterator it = this.requestInterceptors.iterator();
	it.hasNext(); ) {
	Object request = it.next();
	if (request.getClass().equals(clazz)) {
	it.remove();
	}
	}
	}

	// non-Javadoc, see interface HttpResponseInterceptorList
	public void removeResponseInterceptorByClass(final Class clazz) {
	if (this.responseInterceptors == null) {
	return;
	}
	for (Iterator it = this.responseInterceptors.iterator();
	it.hasNext(); ) {
	Object request = it.next();
	if (request.getClass().equals(clazz)) {
	it.remove();
	}
	}
	}

	/**
	* Same as {@link #addRequestInterceptor(HttpRequestInterceptor) addRequestInterceptor}.
	*
	* @param interceptor the interceptor to add
	*/
	public final
	void addInterceptor(final HttpRequestInterceptor interceptor) {
	addRequestInterceptor(interceptor);
	}

	public final
	void addInterceptor(final HttpRequestInterceptor interceptor,
	int index) {
	addRequestInterceptor(interceptor, index);
	}


	// non-Javadoc, see interface HttpRequestInterceptorList
	public int getRequestInterceptorCount() {
	return (this.requestInterceptors == null) ?
	0 : this.requestInterceptors.size();
	}


	// non-Javadoc, see interface HttpRequestInterceptorList
	public HttpRequestInterceptor getRequestInterceptor(int index) {

	if ((this.requestInterceptors == null) \|\|
	(index < 0) \|\| (index >= this.requestInterceptors.size()))
	return null;

	return (HttpRequestInterceptor) this.requestInterceptors.get(index);
	}


	// non-Javadoc, see interface HttpRequestInterceptorList
	public void clearRequestInterceptors() {
	this.requestInterceptors = null;
	}



	// non-Javadoc, see interface HttpResponseInterceptorList
	public void addResponseInterceptor(final HttpResponseInterceptor itcp) {
	if (itcp == null) {
	return;
	}
	if (this.responseInterceptors == null) {
	this.responseInterceptors = new ArrayList();
	}
	this.responseInterceptors.add(itcp);
	}

	/**
	* Same as {@link #addResponseInterceptor(HttpResponseInterceptor) addResponseInterceptor}.
	*
	* @param interceptor the interceptor to add
	*/
	public final
	void addInterceptor(final HttpResponseInterceptor interceptor) {
	addResponseInterceptor(interceptor);
	}

	public final void addInterceptor(final HttpResponseInterceptor interceptor,
	int index) {
	addResponseInterceptor(interceptor, index);
	}



	// non-Javadoc, see interface HttpResponseInterceptorList
	public int getResponseInterceptorCount() {
	return (this.responseInterceptors == null) ?
	0 : this.responseInterceptors.size();
	}


	// non-Javadoc, see interface HttpResponseInterceptorList
	public HttpResponseInterceptor getResponseInterceptor(int index) {

	if ((this.responseInterceptors == null) \|\|
	(index < 0) \|\| (index >= this.responseInterceptors.size()))
	return null;

	return (HttpResponseInterceptor) this.responseInterceptors.get(index);
	}


	// non-Javadoc, see interface HttpResponseInterceptorList
	public void clearResponseInterceptors() {
	this.responseInterceptors = null;
	}


	/**
	* Sets the interceptor lists.
	* First, both interceptor lists maintained by this processor
	* will be cleared.
	* Subsequently,
	* elements of the argument list that are request interceptors will be
	* added to the request interceptor list.
	* Elements that are response interceptors will be
	* added to the response interceptor list.
	* Elements that are both request and response interceptor will be
	* added to both lists.
	* Elements that are neither request nor response interceptor
	* will be ignored.
	*
	* @param list the list of request and response interceptors
	* from which to initialize
	*/
	public void setInterceptors(final List list) {
	if (list == null) {
	throw new IllegalArgumentException("List must not be null.");
	}
	if (this.requestInterceptors != null) {
	this.requestInterceptors.clear();
	}
	if (this.responseInterceptors != null) {
	this.responseInterceptors.clear();
	}
	for (int i = 0; i < list.size(); i++) {
	Object obj = list.get(i);
	if (obj instanceof HttpRequestInterceptor) {
	addInterceptor((HttpRequestInterceptor)obj);
	}
	if (obj instanceof HttpResponseInterceptor) {
	addInterceptor((HttpResponseInterceptor)obj);
	}
	}
	}

	/**
	* Clears both interceptor lists maintained by this processor.
	*/
	public void clearInterceptors() {
	clearRequestInterceptors();
	clearResponseInterceptors();
	}

	// non-Javadoc, see interface HttpRequestInterceptor (via HttpProcessor)
	public void process(
	final HttpRequest request,
	final HttpContext context)
	throws IOException, HttpException {
	if (this.requestInterceptors != null) {
	for (int i = 0; i < this.requestInterceptors.size(); i++) {
	HttpRequestInterceptor interceptor =
	(HttpRequestInterceptor) this.requestInterceptors.get(i);
	interceptor.process(request, context);
	}
	}
	}

	// non-Javadoc, see interface HttpResponseInterceptor (via HttpProcessor)
	public void process(
	final HttpResponse response,
	final HttpContext context)
	throws IOException, HttpException {
	if (this.responseInterceptors != null) {
	for (int i = 0; i < this.responseInterceptors.size(); i++) {
	HttpResponseInterceptor interceptor =
	(HttpResponseInterceptor) this.responseInterceptors.get(i);
	interceptor.process(response, context);
	}
	}
	}

	protected void copyInterceptors(final BasicHttpProcessor target) {
	if (this.requestInterceptors != null) {
	target.requestInterceptors =
	new ArrayList(this.requestInterceptors);
	}
	if (this.responseInterceptors != null) {
	target.responseInterceptors =
	new ArrayList(this.responseInterceptors);
	}
	}

	/**
	* Creates a copy of this instance
	*
	* @return new instance of the BasicHttpProcessor
	*/
	public BasicHttpProcessor copy() {
	BasicHttpProcessor clone = new BasicHttpProcessor();
	copyInterceptors(clone);
	return clone;
	}

	public Object clone() throws CloneNotSupportedException {
	BasicHttpProcessor clone = (BasicHttpProcessor) super.clone();
	copyInterceptors(clone);
	return clone;
	}

	}