/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.module.reboot;
import static org.mule.runtime.core.api.config.MuleProperties.MULE_BASE_DIRECTORY_PROPERTY;
import static org.mule.runtime.core.api.config.MuleProperties.MULE_HOME_DIRECTORY_PROPERTY;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.security.AccessController;
import java.security.PrivilegedAction;
public final class MuleContainerBootstrapUtils {
public static final String MULE_DOMAIN_FOLDER = "domains";
public static final String MULE_LOCAL_JAR_FILENAME = "mule-local-install.jar";
private static final String MULE_APPS_FILENAME = "apps";
private static final String MULE_LIB_FILENAME = "lib/mule";
private static final String MULE_TMP_FILENAME = "tmp";
private static final String MULE_CONF_FILENAME = "conf";
private MuleContainerBootstrapUtils() {
// utility class only
}
/**
* Whether Mule is running embedded or standalone.
*
* @return true if running standalone
*/
public static boolean isStandalone() {
// when embedded, mule.home var is not set
return getMuleHome() != null;
}
/**
* @return the mule runtime installation folder, null if running embedded
*/
public static File getMuleHome() {
final String muleHome = System.getProperty(MULE_HOME_DIRECTORY_PROPERTY);
return muleHome != null ? new File(muleHome) : null;
}
/**
* The mule runtime base folder is a directory similar to the mule runtime installation one but with only the specific
* configuration parts of the mule runtime installation such as the apps folder, the domain folder, the conf folder.
*
* @return the MULE_BASE directory of this instance. Returns the
* {@link org.mule.runtime.core.api.config.MuleProperties#MULE_HOME_DIRECTORY_PROPERTY} property value if
* {@link org.mule.runtime.core.api.config.MuleProperties#MULE_BASE_DIRECTORY_PROPERTY} is not set which may be null.
*/
public static File getMuleBase() {
File muleBase = null;
String muleBaseVar = System.getProperty(MULE_BASE_DIRECTORY_PROPERTY);
if (muleBaseVar != null && !muleBaseVar.trim().equals("") && !muleBaseVar.equals("%MULE_BASE%")) {
try {
muleBase = new File(muleBaseVar).getCanonicalFile();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
if (muleBase == null) {
muleBase = getMuleHome();
}
return muleBase;
}
/**
* @return null if running embedded, otherwise the apps dir as a File ref
*/
public static File getMuleAppsDir() {
return isStandalone() ? new File(getMuleBase(), MULE_APPS_FILENAME) : null;
}
/**
* @param appName name of the application
* @return null if running embedded, otherwise the app dir as a File ref
*/
public static File getMuleAppDir(String appName) {
return isStandalone() ? new File(getMuleAppsDir(), appName) : null;
}
/**
* @return null if running embedded
*/
public static File getMuleLibDir() {
return isStandalone() ? new File(getMuleHome(), MULE_LIB_FILENAME) : null;
}
/**
* @return null if running embedded, otherwise the $MULE_HOME/tmp dir reference
*/
public static File getMuleTmpDir() {
return isStandalone() ? new File(getMuleBase(), MULE_TMP_FILENAME) : null;
}
public static File getMuleLocalJarFile() {
return isStandalone() ? new File(getMuleLibDir(), MULE_LOCAL_JAR_FILENAME) : null;
}
public static File getMuleDomainsDir() {
return isStandalone() ? new File(getMuleBase(), MULE_DOMAIN_FOLDER) : null;
}
/**
* @return null if running embedded, otherwise the conf dir as a File ref
*/
public static File getMuleConfDir() {
return isStandalone() ? new File(getMuleBase(), MULE_CONF_FILENAME) : null;
}
public static class ProxyInfo {
String host;
String port;
String username;
String password;
public ProxyInfo(String host, String port) {
this(host, port, null, null);
}
public ProxyInfo(String host, String port, String username, String password) {
this.host = host;
this.port = port;
this.username = username;
this.password = password;
}
}
//////////////////////////////////////////////////////////////////////////////////////////
// The following methods are intentionally duplicated from org.mule.runtime.core.util so that
// mule-module-reboot has no external dependencies at system startup.
//////////////////////////////////////////////////////////////////////////////////////////
/**
* @see org.mule.runtime.core.util.ClassUtils#getResource
*/
public static URL getResource(final String resourceName, final Class<?> callingClass) {
URL url = AccessController.doPrivileged((PrivilegedAction<URL>) () -> {
final ClassLoader cl = Thread.currentThread().getContextClassLoader();
return cl != null ? cl.getResource(resourceName) : null;
});
if (url == null) {
url = AccessController
.doPrivileged((PrivilegedAction<URL>) () -> MuleContainerBootstrap.class.getClassLoader().getResource(resourceName));
}
if (url == null) {
url = AccessController.doPrivileged((PrivilegedAction<URL>) () -> callingClass.getClassLoader().getResource(resourceName));
}
return url;
}
/**
* @see org.mule.runtime.core.util.FileUtils#renameFile
*/
public static boolean renameFile(File srcFile, File destFile) throws IOException {
boolean isRenamed = false;
if (srcFile != null && destFile != null) {
if (!destFile.exists()) {
if (srcFile.isFile()) {
isRenamed = srcFile.renameTo(destFile);
if (!isRenamed && srcFile.exists()) {
isRenamed = renameFileHard(srcFile, destFile);
}
}
}
}
return isRenamed;
}
/**
* @see org.mule.runtime.core.util.FileUtils#renameFileHard
*/
public static boolean renameFileHard(File srcFile, File destFile) throws IOException {
boolean isRenamed = false;
if (srcFile != null && destFile != null) {
if (!destFile.exists()) {
if (srcFile.isFile()) {
FileInputStream in = null;
FileOutputStream out = null;
try {
in = new FileInputStream(srcFile);
out = new FileOutputStream(destFile);
out.getChannel().transferFrom(in.getChannel(), 0, srcFile.length());
isRenamed = true;
} finally {
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
}
if (isRenamed) {
srcFile.delete();
} else {
destFile.delete();
}
}
}
}
return isRenamed;
}
/**
* @see org.mule.runtime.core.util.IOUtils#copy
*/
public static int copy(InputStream input, OutputStream output) throws IOException {
long count = copyLarge(input, output);
if (count > Integer.MAX_VALUE) {
return -1;
}
return (int) count;
}
/**
* @see org.mule.runtime.core.util.IOUtils#copyLarge
*/
public static long copyLarge(InputStream input, OutputStream output) throws IOException {
byte[] buffer = new byte[1024 * 4];
long count = 0;
int n = 0;
while (-1 != (n = input.read(buffer))) {
output.write(buffer, 0, n);
count += n;
}
return count;
}
}