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/*
 * ====================================================================
 * 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
 * .
 *
 */

package org.apache.http.params;

import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.annotation.Contract;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

/**
 * Default implementation of {@link HttpParams} interface.
 * 

* Please note access to the internal structures of this class is not * synchronized and therefore this class may be thread-unsafe. * * @since 4.0 * * @deprecated (4.3) use configuration classes provided 'org.apache.http.config' * and 'org.apache.http.client.config' */ @Deprecated @Contract(threading = ThreadingBehavior.SAFE) public class BasicHttpParams extends AbstractHttpParams implements Serializable, Cloneable { private static final long serialVersionUID = -7086398485908701455L; /** Map of HTTP parameters that this collection contains. */ private final Map parameters = new ConcurrentHashMap(); public BasicHttpParams() { super(); } @Override public Object getParameter(final String name) { return this.parameters.get(name); } @Override public HttpParams setParameter(final String name, final Object value) { if (name == null) { return this; } if (value != null) { this.parameters.put(name, value); } else { this.parameters.remove(name); } return this; } @Override public boolean removeParameter(final String name) { //this is to avoid the case in which the key has a null value if (this.parameters.containsKey(name)) { this.parameters.remove(name); return true; } return false; } /** * Assigns the value to all the parameter with the given names * * @param names array of parameter names * @param value parameter value */ public void setParameters(final String[] names, final Object value) { for (final String name : names) { setParameter(name, value); } } /** * Is the parameter set? *

* Uses {@link #getParameter(String)} (which is overrideable) to * fetch the parameter value, if any. *

* Also @see {@link #isParameterSetLocally(String)} * * @param name parameter name * @return true if parameter is defined and non-null */ public boolean isParameterSet(final String name) { return getParameter(name) != null; } /** * Is the parameter set in this object? *

* The parameter value is fetched directly. *

* Also @see {@link #isParameterSet(String)} * * @param name parameter name * @return true if parameter is defined and non-null */ public boolean isParameterSetLocally(final String name) { return this.parameters.get(name) != null; } /** * Removes all parameters from this collection. */ public void clear() { this.parameters.clear(); } /** * Creates a copy of these parameters. * This implementation calls {@link #clone()}. * * @return a new set of params holding a copy of the * local parameters in this object. * * @throws UnsupportedOperationException if the clone() fails */ @Override public HttpParams copy() { try { return (HttpParams) clone(); } catch (final CloneNotSupportedException ex) { throw new UnsupportedOperationException("Cloning not supported"); } } /** * Clones the instance. * Uses {@link #copyParams(HttpParams)} to copy the parameters. */ @Override public Object clone() throws CloneNotSupportedException { final BasicHttpParams clone = (BasicHttpParams) super.clone(); copyParams(clone); return clone; } /** * Copies the locally defined parameters to the argument parameters. * This method is called from {@link #clone()}. * * @param target the parameters to which to copy * @since 4.2 */ public void copyParams(final HttpParams target) { for (final Map.Entry me : this.parameters.entrySet()) { target.setParameter(me.getKey(), me.getValue()); } } /** * Returns the current set of names. * * Changes to the underlying HttpParams are not reflected * in the set - it is a snapshot. * * @return the names, as a Set<String> * @since 4.2 */ @Override public Set getNames() { return new HashSet(this.parameters.keySet()); } @Override public String toString() { return "[parameters=" + parameters + "]"; } }





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