/*
* 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.sirona.reporting.web.plugin.report.format;
import org.apache.sirona.Role;
import org.apache.sirona.counters.Counter;
import org.apache.sirona.counters.MetricData;
import org.apache.sirona.counters.Unit;
import org.apache.sirona.repositories.Repository;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.TreeMap;
import java.util.concurrent.CopyOnWriteArrayList;
public abstract class MapFormat {
public static final String ENCODING = "UTF-8";
public static final Collection<String> ATTRIBUTES_ORDERED_LIST = buildMetricDataHeader();
protected static Collection<String> buildMetricDataHeader() {
final Collection<String> list = new CopyOnWriteArrayList<String>();
list.add("Counter");
list.add("Role");
for (final MetricData md : MetricData.values()) {
list.add(md.name());
}
return list;
}
public static String format(final Map<String, ?> params, final String defaultValue) {
if (params == null) {
return defaultValue;
}
final Object format = params.get("format");
if (format != null) {
if (String.class.isInstance(format)) {
final String strFormat = String.class.cast(format);
return decode(strFormat);
}
if (String[].class.isInstance(format)) {
final String[] array = String[].class.cast(format);
return decode(array[0]);
}
}
return defaultValue;
}
private static String decode(String strFormat) {
try {
return URLDecoder.decode(strFormat, "UTF-8");
} catch (final UnsupportedEncodingException e) {
return strFormat;
}
}
public static Unit timeUnit(final Map<String, ?> params) {
if (params == null) {
return Unit.Time.MILLISECOND;
}
final Object u = params.get("unit");
if (u != null) {
if (String.class.isInstance(u)) {
final Unit unit = Unit.get(String.class.cast(u).toLowerCase());
if (unit != null) {
return unit;
}
}
if (String[].class.isInstance(u)) {
final String[] array = String[].class.cast(u);
if (array.length > 0) {
final Unit unit = Unit.get(array[0].toLowerCase());
if (unit != null) {
return unit;
}
}
}
}
return Unit.Time.MILLISECOND;
}
protected static Map<String, Collection<String>> snapshotByPath(final Unit timeUnit, final String format) {
final Map<String, Collection<String>> data = new TreeMap<String, Collection<String>>();
for (final Counter counter : Repository.INSTANCE.counters()) {
final Counter.Key key = counter.getKey();
data.put(generateCounterKeyString(key), generateLine(counter, timeUnit, format));
}
return data;
}
public static String generateCounterKeyString(final Counter.Key key) {
final Role role = key.getRole();
try {
return encode(role.getName()) + '/' + role.getUnit().getName() + "?name=" + encode(key.getName());
} catch (final UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
protected static Collection<Collection<String>> snapshot(final Unit timeUnit, final String format) {
final Collection<Collection<String>> data = new ArrayList<Collection<String>>();
for (final Counter counter : Repository.INSTANCE.counters()) {
data.add(generateLine(counter, timeUnit, format));
}
return data;
}
public static Collection<String> generateLine(final Counter counter, final Unit timeUnit, final String format) {
final Unit counterUnit = counter.getKey().getRole().getUnit();
final boolean compatible = timeUnit.isCompatible(counterUnit);
final Collection<String> line = new ArrayList<String>();
line.add(counter.getKey().getName());
if (compatible) {
line.add(counter.getKey().getRole().getName() + " (" + timeUnit.getName() + ")");
} else {
line.add(counter.getKey().getRole().getName() + " (" + counterUnit.getName() + ")");
}
final DecimalFormat formatter;
if (format != null) {
formatter = new DecimalFormat(format);
} else {
formatter = null;
}
for (final MetricData md : MetricData.values()) {
double value = md.value(counter);
if (md.isTime() && compatible && timeUnit != counterUnit) {
value = timeUnit.convert(value, counterUnit);
}
if (formatter != null && !Double.isNaN(value) && !Double.isInfinite(value)) {
line.add(formatter.format(value));
} else {
line.add(Double.toString(value));
}
}
return line;
}
private static String encode(final String value) throws UnsupportedEncodingException {
return URLEncoder.encode(value, ENCODING);
}
}