| // Copyright 2004 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.script; |
| |
| import org.apache.tapestry.ILocation; |
| |
| /** |
| * A token that writes the value of a property using a property path |
| * routed in the symbols.. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * |
| **/ |
| |
| class InsertToken extends AbstractToken |
| { |
| private String _expression; |
| |
| InsertToken(String expression, ILocation location) |
| { |
| super(location); |
| |
| _expression = expression; |
| } |
| |
| /** |
| * Gets the named symbol from the symbols {@link Map}, verifies that |
| * it is a String, and writes it to the {@link Writer}. |
| * |
| **/ |
| |
| public void write(StringBuffer buffer, ScriptSession session) |
| { |
| Object value = evaluate(_expression, session); |
| |
| if (value != null) |
| buffer.append(value); |
| } |
| |
| public void addToken(IScriptToken token) |
| { |
| // Should never be invoked. |
| } |
| |
| } |