/* * 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.catalina.ssi;
import java.io.IOException; import java.util.Collection; import java.util.Date; /** * Interface used by SSIMediator to talk to the 'outside world' ( usually a * servlet ) * * @author Dan Sandberg
*/ publicinterface SSIExternalResolver { /** * Adds any external variables to the variableNames collection. * * @param variableNames * the collection to add to
*/ void addVariableNames(Collection<String> variableNames);
String getVariableValue(String name);
/** * Set the named variable to the specified value. If value is null, then * the variable will be removed ( ie. a call to getVariableValue will * return null ) * * @param name * of the variable * @param value * of the variable
*/ void setVariableValue(String name, String value);
/** * Returns the current date. This is useful for putting the SSI stuff in a * regression test. Since you can make the current date a constant, it * makes testing easier since the output won't change. * * @return the data
*/
Date getCurrentDate();
long getFileSize(String path, boolean virtual) throws IOException;
long getFileLastModified(String path, boolean virtual) throws IOException;
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