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Maven plugin for building Carbon Application Archive (CAR) based on configuration of Apache Synapse
/*
* (C) Copyright 2015 Sergey Grachev ([email protected])
*
* 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 com.github.devmix.esb.car.plugin.builders;
import com.github.devmix.esb.car.plugin.utils.ArtifactUtils;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.shared.utils.StringUtils;
import javax.annotation.Nullable;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.*;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* @author Sergey Grachev
*/
public final class RegistryArtifactsBuilder extends AbstractArtifactsBuilder {
public static final String RESOURCES_TYPE = "registry";
public static final String REGISTRY_INFO_XML = "registry-info.xml";
private boolean allInOne;
private String allInOneName;
private Map mediaTypes;
private RegistryArtifactsBuilder() {
}
public static RegistryArtifactsBuilder newInstance() {
return new RegistryArtifactsBuilder();
}
public RegistryArtifactsBuilder allInOne(final boolean allInOne) {
this.allInOne = allInOne;
return this;
}
public RegistryArtifactsBuilder allInOneName(final String allInOneName) {
this.allInOneName = allInOneName;
return this;
}
public void build() throws MojoFailureException {
check();
try {
this.mediaTypes = readArtifactsTypesList();
if (allInOne) {
createAllInOneRegistryArtifacts();
} else {
createRegistryArtifacts();
}
} catch (final IOException e) {
throw new MojoFailureException(e.getMessage(), e);
}
}
private void createRegistryArtifacts() throws IOException, MojoFailureException {
Files.createDirectories(Paths.get(outputDirectory));
try (DirectoryStream confStream = Files.newDirectoryStream(Paths.get(configDir))) {
for (final Path path : confStream) {
if (Files.isDirectory(path)) {
createArtifacts(path);
}
}
}
}
private void createArtifacts(final Path root) throws IOException, MojoFailureException {
try (DirectoryStream artifactsStream = Files.newDirectoryStream(root)) {
for (final Path path : artifactsStream) {
if (Files.isDirectory(path)) {
createArtifacts(path);
} else {
createArtifact(path);
}
}
}
}
private void createArtifact(final Path fromFile) throws IOException, MojoFailureException {
final String fileName = fromFile.getFileName().toString();
final String registryFile = fromFile.toString().substring(configDir.length() + 1).replaceAll("\\\\", "/");
final String name = ArtifactUtils.removeFileExtension(fromFile.getFileName().toString());
final Path dir = Paths.get(outputDirectory, name + "_" + version);
final Path resourcesDir = Paths.get(dir.toString(), "resources");
final Path file = Paths.get(resourcesDir.toString(), fileName);
if (!Files.exists(resourcesDir)) {
Files.createDirectories(resourcesDir);
}
Files.copy(fromFile, file, StandardCopyOption.REPLACE_EXISTING);
createArtifactXml(name, dir);
try {
final String mediaType = detectMediaType(registryFile);
if (StringUtils.isBlank(mediaType)) {
throw new MojoFailureException("Unknown media type for " + registryFile);
}
final String registryPath = fromFile.getParent().toString().substring(configDir.length() + 1).replaceAll("\\\\", "/");
final Path registryInfoFile = Paths.get(dir.toString(), REGISTRY_INFO_XML);
final String xml = new XmlBuilder().node("resources").node("item")
.node("file").content(fileName).parent()
.node("path").content("/" + registryPath).parent()
.node("mediaType").content(mediaType)
.builder().asString();
try (FileOutputStream fis = new FileOutputStream(registryInfoFile.toFile())) {
fis.write(xml.getBytes());
}
} catch (final XmlBuilder.XmlBuildException e) {
throw new MojoFailureException("Can't create " + REGISTRY_INFO_XML, e);
}
artifactsList.add(name, version, serverRole, true, RESOURCES_TYPE);
}
private void createAllInOneRegistryArtifacts() throws IOException, MojoFailureException {
final Path dir = Paths.get(outputDirectory, allInOneName + "_" + version);
final Path resourcesDir = Paths.get(dir.toString(), "resources");
final Path registryInfoXml = Paths.get(dir.toString(), REGISTRY_INFO_XML);
if (!Files.exists(resourcesDir)) {
Files.createDirectories(resourcesDir);
}
createArtifactXml(allInOneName, dir);
final XmlBuilder.Node registryInfoNode = new XmlBuilder().node("resources");
try (DirectoryStream confStream = Files.newDirectoryStream(Paths.get(configDir))) {
for (final Path path : confStream) {
if (Files.isDirectory(path)) {
createAllInOneArtifacts(path, registryInfoNode);
}
}
}
try (FileOutputStream fis = new FileOutputStream(registryInfoXml.toFile())) {
try {
fis.write(registryInfoNode.builder().asString().getBytes());
} catch (final XmlBuilder.XmlBuildException e) {
throw new MojoFailureException("Can't create " + REGISTRY_INFO_XML, e);
}
}
artifactsList.add(allInOneName, version, serverRole, true, RESOURCES_TYPE);
}
private void createAllInOneArtifacts(final Path root, final XmlBuilder.Node registryInfoNode) throws IOException, MojoFailureException {
try (DirectoryStream artifactsStream = Files.newDirectoryStream(root)) {
for (final Path path : artifactsStream) {
if (Files.isDirectory(path)) {
createAllInOneArtifacts(path, registryInfoNode);
} else {
createAllInOneArtifact(path, registryInfoNode);
}
}
}
}
private void createAllInOneArtifact(final Path fromFile, final XmlBuilder.Node registryInfoNode) throws IOException, MojoFailureException {
final String fileName = fromFile.getFileName().toString();
final String registryFile = fromFile.toString().substring(configDir.length() + 1).replaceAll("\\\\", "/");
final Path dir = Paths.get(outputDirectory, allInOneName + "_" + version);
final Path resourcesDir = Paths.get(dir.toString(), "resources");
final Path file = Paths.get(resourcesDir.toString(), fileName);
Files.copy(fromFile, file, StandardCopyOption.REPLACE_EXISTING);
final String mediaType = detectMediaType(registryFile);
if (StringUtils.isBlank(mediaType)) {
throw new MojoFailureException("Unknown media type for " + registryFile);
}
final String registryPath = fromFile.getParent().toString().substring(configDir.length() + 1).replaceAll("\\\\", "/");
registryInfoNode.node("item")
.node("file").content(fileName).parent()
.node("path").content("/" + registryPath).parent()
.node("mediaType").content(mediaType);
}
private void createArtifactXml(final String name, final Path dir) throws IOException, MojoFailureException {
try {
final Path metaFile = Paths.get(dir.toString(), "artifact.xml");
final String xml = new XmlBuilder().node("artifact")
.attr("name", name)
.attr("version", version)
.attr("type", ArtifactUtils.synapseTypeOf(RESOURCES_TYPE))
.attr("serverRole", serverRole)
.node("file").content(REGISTRY_INFO_XML)
.builder().asString();
try (FileOutputStream fis = new FileOutputStream(metaFile.toFile())) {
fis.write(xml.getBytes());
}
} catch (final XmlBuilder.XmlBuildException e) {
throw new MojoFailureException("Can't create artifact.xml", e);
}
}
private Map readArtifactsTypesList() throws IOException {
final Path file = Paths.get(configDir, "artifacts.list");
if (!Files.exists(file)) {
return Collections.emptyMap();
}
try (BufferedReader in = new BufferedReader(new FileReader(file.toFile()))) {
final Map result = new HashMap<>();
String line;
String type = "";
while ((line = in.readLine()) != null) {
if (StringUtils.isBlank(line)) {
continue;
}
line = line.trim();
if (line.charAt(0) == ':') {
type = line.substring(1);
} else {
result.put(line, type);
}
}
return result;
}
}
@Nullable
private String detectMediaType(final String registryFile) {
final String predefined = mediaTypes.get(registryFile);
if (!StringUtils.isBlank(predefined)) {
return predefined;
}
return ArtifactUtils.mediaTypeOf(registryFile);
}
}