/*
* 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.excalibur.instrument.manager.http;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import org.apache.excalibur.instrument.manager.http.server.HTTPRedirect;
import org.apache.excalibur.instrument.manager.DefaultInstrumentManager;
import org.apache.excalibur.instrument.manager.InstrumentDescriptor;
import org.apache.excalibur.instrument.manager.InstrumentSampleDescriptor;
import org.apache.excalibur.instrument.manager.NoSuchInstrumentException;
/**
*
* @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
* @version CVS $Revision: 1.6 $ $Date: 2004/03/06 14:01:28 $
* @since 4.1
*/
public class HTMLInstrumentHandler
extends AbstractHTMLHandler
{
/*---------------------------------------------------------------
* Constructors
*-------------------------------------------------------------*/
/**
* Creates a new HTMLInstrumentHandler.
*
* @param manager Reference to the DefaultInstrumentManager.
* @param connector The InstrumentManagerHTTPConnector.
*/
public HTMLInstrumentHandler( DefaultInstrumentManager manager,
InstrumentManagerHTTPConnector connector )
{
super( "/instrument.html", manager, connector );
}
/*---------------------------------------------------------------
* AbstractHTTPURLHandler Methods
*-------------------------------------------------------------*/
/**
* Handles the specified request.
*
* @param The full path being handled.
* @param parameters A Map of the parameters in the request.
* @param os The PrintWriter to write the result to.
*/
public void doGet( String path, Map parameters, PrintWriter out )
throws IOException
{
String name = getParameter( parameters, "name" );
InstrumentDescriptor desc;
try
{
desc = getInstrumentManager().locateInstrumentDescriptor( name );
}
catch ( NoSuchInstrumentException e )
{
// Sample no longer exists, go back to the parent instrument.
int pos = name.lastIndexOf( '.' );
if ( pos >= 0 )
{
throw new HTTPRedirect(
"instrumentable.html?name=" + urlEncode( name.substring( 0, pos ) ) );
}
else
{
throw new HTTPRedirect( "instrument-manager.html" );
}
}
String type;
StringBuffer types = new StringBuffer();
types.append( "<select name='type' onKeyPress=\"javascript:fieldChanged()\">" );
StringBuffer presets = new StringBuffer();
presets.append( "<select name='preset' onChange=\"javascript:applyPreset(this.options[this.selectedIndex].value)\">" );
presets.append( "<option value='0-0' selected>-- Select a Preset --</option>" );
switch ( desc.getType() )
{
case DefaultInstrumentManager.INSTRUMENT_TYPE_COUNTER:
type = "Counter";
types.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_COUNTER
+ "' selected>Count</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_COUNTER
+ "-0'>Count / Second Over 10 Minutes</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_COUNTER
+ "-1'>Count / Minute Over 1 Day</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_COUNTER
+ "-2'>Count / Hour Over 1 Month</option>" );
break;
case DefaultInstrumentManager.INSTRUMENT_TYPE_VALUE:
type = "Value";
types.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MAXIMUM
+ "' selected>Maximum Value</option>" );
types.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MINIMUM
+ "'>Minimum Value</option>" );
types.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MEAN
+ "'>Mean Value</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MAXIMUM
+ "-0'>Max Value / Second Over 10 Minutes</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MAXIMUM
+ "-1'>Max Value / Minute Over 1 Day</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MAXIMUM
+ "-2'>Max Value / Hour Over 1 Month</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MINIMUM
+ "-0'>Min Value / Second Over 10 Minutes</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MINIMUM
+ "-1'>Min Value / Minute Over 1 Day</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MINIMUM
+ "-2'>Min Value / Hour Over 1 Month</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MEAN
+ "-0'>Mean Value / Second Over 10 Minutes</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MEAN
+ "-1'>Mean Value / Minute Over 1 Day</option>" );
presets.append( "<option value='"
+ DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MEAN
+ "-2'>Mean Value / Hour Over 1 Month</option>" );
break;
default:
type = "Unknown";
break;
}
types.append( "</select>" );
presets.append( "</select>" );
out.println( "<html>" );
out.println( "<head><title>" + desc.getDescription() + "</title></head>" );
out.println( "<body>" );
breadCrumbs( out, desc, false );
out.println( "<h2>Instrument</h2>" );
startTable( out );
tableRow( out, 0, "Name", desc.getName() );
tableRow( out, 0, "Description", desc.getDescription() );
tableRow( out, 0, "Type", type );
endTable( out );
InstrumentSampleDescriptor[] samples = desc.getInstrumentSampleDescriptors();
if ( samples.length > 0 )
{
out.println( "<h2>Registered Samples</h2>" );
outputInstrumentSamples( out, samples, getConnector().isReadOnly() );
}
if ( !getConnector().isReadOnly() )
{
out.println( "<h2>Register Sample</h2>" );
out.println( "<SCRIPT LANGUAGE=\"JavaScript\">" );
out.println( "function fieldChanged() {" );
out.println( " var form = document.forms[0];" );
out.println( " form.preset.value=\"0-0\";" );
out.println( "}" );
out.println( "function applyPreset(preset) {" );
out.println( " var form = document.forms[0];" );
out.println( " var pos = preset.indexOf('-');" );
out.println( " var type = preset.substring(0, pos);" );
out.println( " var spec = preset.substring(pos + 1);" );
out.println( " var prefix;" );
out.println( " if (type == 0) {" );
out.println( " return;" );
out.println( " } else if (type == " + DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_COUNTER + ") {" );
out.println( " typeLbl = \"Count\"" );
out.println( " } else if (type == " + DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MAXIMUM + ") {" );
out.println( " typeLbl = \"Max Value\"" );
out.println( " } else if (type == " + DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MINIMUM + ") {" );
out.println( " typeLbl = \"Min Value\"" );
out.println( " } else if (type == " + DefaultInstrumentManager.INSTRUMENT_SAMPLE_TYPE_MEAN + ") {" );
out.println( " typeLbl = \"Mean Value\"" );
out.println( " } else {" );
out.println( " typeLbl = \"Unknown\"" );
out.println( " }" );
out.println( " var intervalLbl;" );
out.println( " var interval;" );
out.println( " var size;" );
out.println( " var lease;" );
out.println( " if (spec == 1) {" );
out.println( " intervalLbl = \"Minute\";" );
out.println( " interval = 60000;" );
out.println( " size = 1440;" );
out.println( " lease = 86400000;" );
out.println( " } else if (spec == 2) {" );
out.println( " intervalLbl = \"Hour\";" );
out.println( " interval = 3600000;" );
out.println( " size = 672;" );
out.println( " lease = 86400000;" );
out.println( " } else {" );
out.println( " intervalLbl = \"Second\";" );
out.println( " interval = 1000;" );
out.println( " size = 600;" );
out.println( " lease = 600000;" );
out.println( " }" );
out.println( " form.description.value = typeLbl + \" / \" + intervalLbl;" );
out.println( " form.interval.value = interval;" );
out.println( " form.size.value = size;" );
out.println( " form.lease.value = lease;" );
out.println( " form.type.value = type;" );
out.println( "}" );
out.println( "</SCRIPT>" );
out.println( "<form action='create-sample.html' method='GET' accept-charset='UTF-8'>" );
startTable( out );
tableRow( out, 0, "Description", "<input name='description' type='text' size='40' value='' onKeyPress=\"javascript:fieldChanged()\">" );
tableRow( out, 0, "Interval (ms.)", "<input name='interval' type='text' size='10' value='' onKeyPress=\"javascript:fieldChanged()\">" );
tableRow( out, 0, "Size", "<input name='size' type='text' size='10' value='' onKeyPress=\"javascript:fieldChanged()\">" );
tableRow( out, 0, "Lease (ms.)", "<input name='lease' type='text' size='10' value='' onKeyPress=\"javascript:fieldChanged()\">" );
tableRow( out, 0, "Type", types.toString() );
tableRow( out, 0, "Presets", presets.toString() );
endTable( out );
out.println( "<input type='hidden' name='name' value='" + desc.getName() + "'>" );
out.println( "<input type='submit' value='Submit'>" );
out.println( "</form>" );
}
footer( out );
out.println( "</body>" );
out.println( "</html>" );
}
/*---------------------------------------------------------------
* Methods
*-------------------------------------------------------------*/
}