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diff --git a/src/org/apache/http/params/AbstractHttpParams.java b/src/org/apache/http/params/AbstractHttpParams.java
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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/params/AbstractHttpParams.java $
+ * $Revision: 542224 $
+ * $Date: 2007-05-28 06:34:04 -0700 (Mon, 28 May 2007) $
+ *
+ * ====================================================================
+ * 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.params;
+
+import org.apache.http.params.HttpParams;
+
+
+/**
+ * Abstract base class for parameter collections.
+ * Type specific setters and getters are mapped to the abstract,
+ * generic getters and setters.
+ *
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ * @author <a href="mailto:rolandw at apache.org">Roland Weber</a>
+ * 
+ * @version $Revision: 542224 $
+ */
+public abstract class AbstractHttpParams implements HttpParams {
+
+    /**
+     * Instantiates parameters.
+     */
+    protected AbstractHttpParams() {
+        super();
+    }
+
+    public long getLongParameter(final String name, long defaultValue) { 
+        Object param = getParameter(name);
+        if (param == null) {
+            return defaultValue;
+        }
+        return ((Long)param).longValue();
+    }
+    
+    public HttpParams setLongParameter(final String name, long value) {
+        setParameter(name, new Long(value));
+        return this;
+    }
+
+    public int getIntParameter(final String name, int defaultValue) { 
+        Object param = getParameter(name);
+        if (param == null) {
+            return defaultValue;
+        }
+        return ((Integer)param).intValue();
+    }
+    
+    public HttpParams setIntParameter(final String name, int value) {
+        setParameter(name, new Integer(value));
+        return this;
+    }
+
+    public double getDoubleParameter(final String name, double defaultValue) { 
+        Object param = getParameter(name);
+        if (param == null) {
+            return defaultValue;
+        }
+        return ((Double)param).doubleValue();
+    }
+    
+    public HttpParams setDoubleParameter(final String name, double value) {
+        setParameter(name, new Double(value));
+        return this;
+    }
+
+    public boolean getBooleanParameter(final String name, boolean defaultValue) { 
+        Object param = getParameter(name);
+        if (param == null) {
+            return defaultValue;
+        }
+        return ((Boolean)param).booleanValue();
+    }
+    
+    public HttpParams setBooleanParameter(final String name, boolean value) {
+        setParameter(name, value ? Boolean.TRUE : Boolean.FALSE);
+        return this;
+    }
+        
+    public boolean isParameterTrue(final String name) {
+        return getBooleanParameter(name, false);
+    }
+        
+    public boolean isParameterFalse(final String name) {
+        return !getBooleanParameter(name, false);
+    }
+
+} // class AbstractHttpParams