/*
* Copyright 2002-2007 the original author or authors.
*
* 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 org.jboss.seam.mock;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* Internal helper class that serves as value holder for request headers.
*
* @author Juergen Hoeller
* @author Rick Evans
* @since 2.0.1
*/
class HeaderValueHolder
{
private final List values = new LinkedList();
public void setValue(Object value)
{
this.values.clear();
this.values.add(value);
}
public void addValue(Object value)
{
this.values.add(value);
}
public void addValues(Collection values)
{
this.values.addAll(values);
}
public void addValueArray(Object values)
{
Object[] arr = toObjectArray(values);
this.values.addAll(Arrays.asList(arr));
}
public List getValues()
{
return Collections.unmodifiableList(this.values);
}
public Object getValue()
{
return (!this.values.isEmpty() ? this.values.get(0) : null);
}
/**
* Find a HeaderValueHolder by name, ignoring casing.
*
* @param headers the Map of header names to HeaderValueHolders
* @param name the name of the desired header
* @return the corresponding HeaderValueHolder,
* or <code>null</code> if none found
*/
public static HeaderValueHolder getByName(Map headers, String name)
{
for (Iterator it = headers.keySet().iterator(); it.hasNext();)
{
String headerName = (String) it.next();
if (headerName.equalsIgnoreCase(name))
{
return (HeaderValueHolder) headers.get(headerName);
}
}
return null;
}
public static Object[] toObjectArray(Object source)
{
if (source instanceof Object[])
{
return (Object[]) source;
}
if (source == null)
{
return new Object[0];
}
if (!source.getClass().isArray())
{
throw new IllegalArgumentException("Source is not an array: " + source);
}
int length = Array.getLength(source);
if (length == 0)
{
return new Object[0];
}
Class wrapperType = Array.get(source, 0).getClass();
Object[] newArray = (Object[]) Array.newInstance(wrapperType, length);
for (int i = 0; i < length; i++)
{
newArray[i] = Array.get(source, i);
}
return newArray;
}
}