/*
* Copyright 2012-2016 the original author or authors.
*
* Licensed 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.springframework.boot.cli.command.install;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import joptsimple.OptionSet;
import org.springframework.boot.cli.command.options.CompilerOptionHandler;
import org.springframework.boot.cli.command.options.OptionSetGroovyCompilerConfiguration;
import org.springframework.boot.cli.compiler.GroovyCompilerConfiguration;
import org.springframework.boot.cli.compiler.RepositoryConfigurationFactory;
import org.springframework.boot.cli.compiler.grape.RepositoryConfiguration;
import org.springframework.boot.cli.util.Log;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.SystemPropertyUtils;
/**
* Shared logic for the {@link InstallCommand} and {@link UninstallCommand}.
*
* @author Andy Wilkinson
* @since 1.2.0
*/
class Installer {
private final DependencyResolver dependencyResolver;
private final Properties installCounts;
Installer(OptionSet options, CompilerOptionHandler compilerOptionHandler)
throws IOException {
this(new GroovyGrabDependencyResolver(
createCompilerConfiguration(options, compilerOptionHandler)));
}
Installer(DependencyResolver resolver) throws IOException {
this.dependencyResolver = resolver;
this.installCounts = loadInstallCounts();
}
private static GroovyCompilerConfiguration createCompilerConfiguration(
OptionSet options, CompilerOptionHandler compilerOptionHandler) {
List<RepositoryConfiguration> repositoryConfiguration = RepositoryConfigurationFactory
.createDefaultRepositoryConfiguration();
return new OptionSetGroovyCompilerConfiguration(options, compilerOptionHandler,
repositoryConfiguration) {
@Override
public boolean isAutoconfigure() {
return false;
}
};
}
private Properties loadInstallCounts() throws IOException {
Properties properties = new Properties();
File installed = getInstalled();
if (installed.exists()) {
FileReader reader = new FileReader(installed);
properties.load(reader);
reader.close();
}
return properties;
}
private void saveInstallCounts() throws IOException {
FileWriter writer = new FileWriter(getInstalled());
try {
this.installCounts.store(writer, null);
}
finally {
writer.close();
}
}
public void install(List<String> artifactIdentifiers) throws Exception {
File extDirectory = getDefaultExtDirectory();
extDirectory.mkdirs();
Log.info("Installing into: " + extDirectory);
List<File> artifactFiles = this.dependencyResolver.resolve(artifactIdentifiers);
for (File artifactFile : artifactFiles) {
int installCount = getInstallCount(artifactFile);
if (installCount == 0) {
FileCopyUtils.copy(artifactFile,
new File(extDirectory, artifactFile.getName()));
}
setInstallCount(artifactFile, installCount + 1);
}
saveInstallCounts();
}
private int getInstallCount(File file) {
String countString = this.installCounts.getProperty(file.getName());
if (countString == null) {
return 0;
}
return Integer.valueOf(countString);
}
private void setInstallCount(File file, int count) {
if (count == 0) {
this.installCounts.remove(file.getName());
}
else {
this.installCounts.setProperty(file.getName(), Integer.toString(count));
}
}
public void uninstall(List<String> artifactIdentifiers) throws Exception {
File extDirectory = getDefaultExtDirectory();
Log.info("Uninstalling from: " + extDirectory);
List<File> artifactFiles = this.dependencyResolver.resolve(artifactIdentifiers);
for (File artifactFile : artifactFiles) {
int installCount = getInstallCount(artifactFile);
if (installCount <= 1) {
new File(extDirectory, artifactFile.getName()).delete();
}
setInstallCount(artifactFile, installCount - 1);
}
saveInstallCounts();
}
public void uninstallAll() throws Exception {
File extDirectory = getDefaultExtDirectory();
Log.info("Uninstalling from: " + extDirectory);
for (String name : this.installCounts.stringPropertyNames()) {
new File(extDirectory, name).delete();
}
this.installCounts.clear();
saveInstallCounts();
}
private File getDefaultExtDirectory() {
String home = SystemPropertyUtils
.resolvePlaceholders("${spring.home:${SPRING_HOME:.}}");
File extDirectory = new File(new File(home, "lib"), "ext");
if (!extDirectory.isDirectory()) {
if (!extDirectory.mkdirs()) {
throw new IllegalStateException(
"Failed to create ext directory " + extDirectory);
}
}
return extDirectory;
}
private File getInstalled() {
return new File(getDefaultExtDirectory(), ".installed");
}
}