/*
* Copyright 2002-2008 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.springframework.scripting.support;
import org.springframework.scripting.ScriptSource;
import org.springframework.util.Assert;
/**
* Static implementation of the
* {@link org.springframework.scripting.ScriptSource} interface,
* encapsulating a given String that contains the script source text.
* Supports programmatic updates of the script String.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
public class StaticScriptSource implements ScriptSource {
private String script;
private boolean modified;
private String className;
/**
* Create a new StaticScriptSource for the given script.
* @param script the script String
*/
public StaticScriptSource(String script) {
setScript(script);
}
/**
* Create a new StaticScriptSource for the given script.
* @param script the script String
* @param className the suggested class name for the script
* (may be <code>null</code>)
*/
public StaticScriptSource(String script, String className) {
setScript(script);
this.className = className;
}
/**
* Set a fresh script String, overriding the previous script.
* @param script the script String
*/
public synchronized void setScript(String script) {
Assert.hasText(script, "Script must not be empty");
this.modified = !script.equals(this.script);
this.script = script;
}
public synchronized String getScriptAsString() {
this.modified = false;
return this.script;
}
public synchronized boolean isModified() {
return this.modified;
}
public String suggestedClassName() {
return this.className;
}
@Override
public String toString() {
return "static script" + (this.className != null ? " [" + this.className + "]" : "");
}
}
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