org.apache.wicket.util.resource.StringBufferResourceStream Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.wicket.util.resource;
import org.apache.wicket.util.string.AppendingStringBuffer;
import org.apache.wicket.util.time.Time;
/**
* A string resource that can be appended to.
*
* @author Jonathan Locke
*/
public class StringBufferResourceStream extends AbstractStringResourceStream
{
private static final long serialVersionUID = 1L;
/** Stylesheet information */
private final AppendingStringBuffer buffer = new AppendingStringBuffer(128);
/**
* Constructor.
*/
public StringBufferResourceStream()
{
}
/**
* Constructor.
*
* @param contentType
* The mime type of this resource, such as "image/jpeg" or "text/html"
*/
public StringBufferResourceStream(final String contentType)
{
super(contentType);
}
/**
* Adds to this string buffer resource
*
* @param s
* The string to add
* @return this for chaining
*/
public StringBufferResourceStream append(final CharSequence s)
{
buffer.append(s);
setLastModified(Time.now());
return this;
}
/**
* Prepends to this string buffer resource
*
* @param s
* The string to prepend
* @return this for chaining
*/
public StringBufferResourceStream prepend(final CharSequence s)
{
buffer.insert(0, s);
setLastModified(Time.now());
return this;
}
/**
* Clears the string buffer resource.
*
* @return this for chaining
*/
public StringBufferResourceStream clear()
{
buffer.delete(0, buffer.length());
return this;
}
/**
* @see org.apache.wicket.util.resource.AbstractStringResourceStream#getString()
*/
@Override
protected String getString()
{
return buffer.toString();
}
}