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/* --------------------------------------------------------------------
* Inugami
* --------------------------------------------------------------------
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package io.inugami.commons.providers;
import io.inugami.api.exceptions.Asserts;
import io.inugami.api.exceptions.FatalException;
import io.inugami.api.exceptions.TechnicalException;
import io.inugami.api.exceptions.services.ProviderException;
import io.inugami.api.loggers.Loggers;
import io.inugami.api.models.JsonBuilder;
import io.inugami.api.models.data.basic.Json;
import io.inugami.api.models.events.SimpleEvent;
import io.inugami.api.models.plugins.ManifestInfo;
import io.inugami.api.providers.concurrent.ThreadSleep;
import io.inugami.api.providers.task.ProviderFutureResult;
import io.inugami.api.providers.task.ProviderFutureResultBuilder;
import io.inugami.commons.files.FilesUtils;
import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
/**
* MockJsonProvider
*
* @author patrick_guillerm
* @since 13 mars 2017
*/
@SuppressWarnings({"java:S1845", "java:S2245", "java:S5361", "java:S2153", "java:S3655", "java:S1125", "java:S1130"})
public class MockJsonHelper {
// =========================================================================
// ATTRIBUTES
// =========================================================================
public static final String MOCK_DIRECTORY = "META-INF/mock/";
private static final Random RANDOM = new Random((new Date()).getTime());
private final Map data;
private final Map cycleIndexies = new ConcurrentHashMap<>();
private final List keys;
private final String[] files;
private boolean random = true;
private static final int LAST_RANDOM_INDEX = -1;
private int index = 0;
private boolean latencyEnable;
private long latency;
private boolean absoluteFiles;
// =========================================================================
// CONSTRUCTORS
// =========================================================================
protected MockJsonHelper(final Map data) {
this.data = data;
keys = new ArrayList<>();
files = null;
if (data != null) {
data.forEach((key, value) -> keys.add(key));
}
}
protected MockJsonHelper(final Map data, final List keys) {
this.data = data;
this.keys = keys;
files = null;
}
public MockJsonHelper() {
super();
data = new HashMap<>();
keys = new ArrayList<>();
files = null;
}
public MockJsonHelper(final String values) {
this(values, true, false, false, 0, null);
}
public MockJsonHelper(final String values, final boolean random, final boolean absoluteFiles,
final boolean latencyEnable, final int latency, final ManifestInfo manifest) {
// @formatter:off
files = values == null ? processScanJar(manifest) : values.split(";");
this.absoluteFiles = values == null ? false : absoluteFiles;
this.random = random;
this.latencyEnable = latencyEnable;
this.latency = latency;
keys = new ArrayList<>();
data = new LinkedHashMap<>();
// @formatter:on
loadFiles();
data.forEach((key, value) -> keys.add(cleanFileName(key)));
}
private String[] processScanJar(final ManifestInfo manifest) {
List result = new ArrayList<>();
if (manifest != null) {
try {
result = new MockJsonScanJar(manifest.getManifestUrl()).scan();
} catch (final IOException e) {
Loggers.INIT.error(e.getMessage());
Loggers.INIT.error(e.getMessage());
}
}
return result.toArray(new String[]{});
}
// =========================================================================
// INIT
// =========================================================================
public final void loadFiles() {
try {
for (final String file : files) {
final String fileName = file.trim();
String content = null;
if (absoluteFiles) {
final File currentFile = new File(fileName);
content = FilesUtils.readContent(currentFile);
final String key = cleanFileName(currentFile.getName());
if (data.containsKey(key)) {
data.remove(key);
}
data.put(key, content);
} else {
content = new String(FilesUtils.readFromClassLoader(fileName));
final String key = cleanFileName(fileName);
if (data.containsKey(key)) {
data.remove(key);
}
data.put(key, content);
}
}
} catch (final IOException | TechnicalException e) {
throw new FatalException(e.getMessage(), e);
}
}
// =========================================================================
// METHODE
// =========================================================================
public String getData() {
if (index >= data.size()) {
index = 0;
}
final String key = keys.get(index);
final String result = data.get(key);
index++;
return result;
}
public String getData(final String key) {
manageLatency();
String result = "";
if (data.containsKey(key)) {
result = data.get(key);
}
return result;
}
public boolean containsWithIndex(final String name) {
return keys.stream().anyMatch(key -> matchNameWithIndex(name, key));
}
public String getDataRandom(final String name) {
manageLatency();
String result = "";
// @formatter:off
final List values = keys.stream().filter(key -> matchNameWithIndex(name, key))
.collect(Collectors.toList());
// @formatter:on
if (!values.isEmpty()) {
final int currentIndex = random ? grabRandomIndex(values.size()) : grabFileIndex(name, values.size());
result = data.get(values.get(currentIndex));
}
return result;
}
private int grabFileIndex(final String name, final int size) {
Integer currentIndex = cycleIndexies.get(name);
if (currentIndex == null) {
currentIndex = -1;
}
currentIndex++;
if (currentIndex >= size) {
currentIndex = 0;
}
cycleIndexies.put(name, currentIndex);
return currentIndex;
}
public boolean contains(final String name) {
return data.containsKey(name);
}
// =========================================================================
// MANAGE LATENCY
// =========================================================================
private void manageLatency() {
if (latencyEnable) {
final long timeToSleep = Math.round(Double.valueOf(latency) * RANDOM.nextDouble());
new ThreadSleep(timeToSleep).sleep();
}
}
// =========================================================================
// AGGREGATE
// =========================================================================
public static ProviderFutureResult aggregate(final List data) throws ProviderException {
final JsonBuilder json = new JsonBuilder();
json.openList();
if (data != null) {
for (int i = 0; i < data.size(); i++) {
if (i != 0) {
json.addSeparator();
}
final String jsonItem = grabItemJsonData(data.get(i));
json.write(jsonItem);
}
}
json.closeList();
return buildStringResult(null, json.toString());
}
private static String grabItemJsonData(final ProviderFutureResult providerFutureResult) {
String result = "";
if ((providerFutureResult != null) && providerFutureResult.getData().isPresent()) {
result = providerFutureResult.getData().get().convertToJson();
}
return result;
}
public static ProviderFutureResult buildStringResult(final T event, final String data) {
final ProviderFutureResultBuilder result = new ProviderFutureResultBuilder();
String jsonData = "null";
if (data != null) {
final String[] lines = data.split("\n");
final StringBuilder buffer = new StringBuilder();
for (final String line : lines) {
buffer.append(line.trim());
}
jsonData = buffer.toString();
}
result.addEvent(event);
result.addData(new Json(jsonData));
return result.build();
}
// =========================================================================
// TOOLS
// =========================================================================
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("MockJsonHelper [keys=");
builder.append(keys);
builder.append("]");
return builder.toString();
}
// =========================================================================
// TOOLS
// =========================================================================
protected String cleanFileName(final String fileName) {
String result = fileName;
Asserts.assertNotNull("file name mustn't be null!", fileName);
// @formatter:off
result = result.replaceAll("/META-INF/", "").replaceAll("META-INF/", "").replaceAll("mock/", "")
.replaceAll("/", "-").replaceAll("[.]json", "");
// @formatter:on
return result;
}
protected boolean matchNameWithIndex(final String name, final String key) {
final Pattern regex = Pattern.compile(String.format("%s-[0-9]+", name));
return regex.matcher(key).matches();
}
protected int grabRandomIndex(final int maxValue) {
int result = 0;
if (maxValue > 0) {
final double max = maxValue;
final double currentRandom = Math.random() * (max + 1);
double round = Math.round(currentRandom - 1);
if (round < 0) {
round = 0;
}
result = (int) round;
if (result >= maxValue) {
result = maxValue - 1;
}
}
if (result == LAST_RANDOM_INDEX) {
result = grabRandomIndex(maxValue);
}
return result;
}
}
