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/*
* 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.PrintWriter;
import java.util.Collection;
import java.util.Iterator;
/**
* Implements the Server-side #printenv command
*
* @author Dan Sandberg
* @author David Becker
* @version $Id: SSIPrintenv.java 1138121 2011-06-21 18:32:41Z markt $
*/
public class SSIPrintenv implements SSICommand {
/**
* @see SSICommand
*/
@Override
public long process(SSIMediator ssiMediator, String commandName,
String[] paramNames, String[] paramValues, PrintWriter writer) {
long lastModified = 0;
//any arguments should produce an error
if (paramNames.length > 0) {
String errorMessage = ssiMediator.getConfigErrMsg();
writer.write(errorMessage);
} else {
Collection<String> variableNames = ssiMediator.getVariableNames();
Iterator<String> iter = variableNames.iterator();
while (iter.hasNext()) {
String variableName = iter.next();
String variableValue = ssiMediator
.getVariableValue(variableName);
//This shouldn't happen, since all the variable names must
// have values
if (variableValue == null) {
variableValue = "(none)";
}
writer.write(variableName);
writer.write('=');
writer.write(variableValue);
writer.write('\n');
lastModified = System.currentTimeMillis();
}
}
return lastModified;
}
}
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