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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.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Locale;
import org.apache.catalina.util.Strftime;
import org.apache.tomcat.util.res.StringManager;
/**
* Implements the Server-side #flastmod command.
*/
public final class SSIFlastmod implements SSICommand {
private static final StringManager sm = StringManager.getManager(SSIFlastmod.class);
@Override
public long process(SSIMediator ssiMediator, String commandName, String[] paramNames, String[] paramValues,
PrintWriter writer) {
long lastModified = 0;
String configErrMsg = ssiMediator.getConfigErrMsg();
for (int i = 0; i < paramNames.length; i++) {
String paramName = paramNames[i];
String paramValue = paramValues[i];
String substitutedValue = ssiMediator.substituteVariables(paramValue);
try {
if (paramName.equalsIgnoreCase("file") || paramName.equalsIgnoreCase("virtual")) {
boolean virtual = paramName.equalsIgnoreCase("virtual");
lastModified = ssiMediator.getFileLastModified(substitutedValue, virtual);
Date date = new Date(lastModified);
String configTimeFmt = ssiMediator.getConfigTimeFmt();
writer.write(formatDate(date, configTimeFmt));
} else {
ssiMediator.log(sm.getString("ssiCommand.invalidAttribute", paramName));
writer.write(configErrMsg);
}
} catch (IOException ioe) {
ssiMediator.log(sm.getString("ssiFlastmod.noLastModified", substitutedValue), ioe);
writer.write(configErrMsg);
}
}
return lastModified;
}
private String formatDate(Date date, String configTimeFmt) {
Strftime strftime = new Strftime(configTimeFmt, Locale.US);
return strftime.format(date);
}
}
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