/*
* 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;
import java.io.IOException;
/**
* Interface that defines the source of a script.
* Tracks whether the underlying script has been modified.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
public interface ScriptSource {
/**
* Retrieve the current script source text as String.
* @return the script text
* @throws IOException if script retrieval failed
*/
String getScriptAsString() throws IOException;
/**
* Indicate whether the underlying script data has been modified since
* the last time {@link #getScriptAsString()} was called.
* Returns <code>true</code> if the script has not been read yet.
* @return whether the script data has been modified
*/
boolean isModified();
/**
* Determine a class name for the underlying script.
* @return the suggested class name, or <code>null</code> if none available
*/
String suggestedClassName();
}
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