org.apache.openejb.config.ConfigUtils Maven / Gradle / Ivy
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* 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.openejb.config;
import org.apache.openejb.EnvProps;
import org.apache.openejb.OpenEJBException;
import org.apache.openejb.config.sys.Deployments;
import org.apache.openejb.config.sys.JaxbOpenejb;
import org.apache.openejb.config.sys.Openejb;
import org.apache.openejb.loader.IO;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.util.LogCategory;
import org.apache.openejb.util.Logger;
import org.apache.xbean.finder.ResourceFinder;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
public class ConfigUtils {
public static Logger logger = Logger.getInstance(LogCategory.OPENEJB, "org.apache.openejb.util.resources");
/**
* TODO: It should always be assumed that the path input param is a URL or URL-convertible
*/
public static String searchForConfiguration(final String rawPath) throws OpenEJBException {
File file;
if (rawPath != null) {
for (final String path : deducePaths(rawPath)) {
/*
* [1] Try finding the file relative to the current working
* directory
*/
file = new File(path);
if (file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
/*
* [2] Try finding the file relative to the openejb.base directory
*/
try {
file = SystemInstance.get().getBase().getFile(path);
if (file != null && file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
} catch (final IOException ignored) {
// no-op
}
/*
* [3] Try finding the file relative to the openejb.home directory
*/
try {
file = SystemInstance.get().getHome().getFile(path);
if (file != null && file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
} catch (final IOException ignored) {
// no-op
}
/*
* [4] Consider path as a URL resource - file: and jar: accepted by JaxbOpenejb.readConfig(String configFile)
*/
try {
// verify if it's parseable according to URL rules
new URL(path);
// it's so return it unchanged
return path;
} catch (final MalformedURLException ignored) {
// no-op
}
}
logger.warning("Cannot find the configuration file [" + rawPath + "], Trying conf/openejb.xml instead.");
}
try {
/*
* [4] Try finding the standard openejb.xml file relative to the
* openejb.base directory
*/
file = SystemInstance.get().getConf("openejb.xml");
if (file != null && file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
/*
* [5] Try finding the standard openejb.conf file relative to the
*/
file = SystemInstance.get().getConf("openejb.conf");
if (file != null && file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
file = SystemInstance.get().getConf("openejb.json");
if (file != null && file.exists() && file.isFile()) {
return file.getAbsolutePath();
}
if (EnvProps.extractConfigurationFiles()) {
/* [6] No config found! Create a config for them
* using the default.openejb.conf file from
* the openejb-x.x.x.jar
*/
final File confDir = SystemInstance.get().getConf(null);
if (confDir != null && confDir.exists()) {
final File config = new File(confDir, "openejb.xml");
logger.info("Cannot find the configuration file [conf/openejb.xml]. Creating one at " + config.getAbsolutePath());
file = createConfig(config);
} else {
logger.info("Cannot find the configuration file [conf/openejb.xml]. Will attempt to create one for the beans deployed.");
}
}
} catch (final IOException e) {
e.printStackTrace();
throw new OpenEJBException("Could not locate config file: ", e);
}
return file == null || !file.exists() ? null : file.getAbsolutePath();
}
public static String[] deducePaths(final String path) {
if (path.endsWith(".xml")) { // try json too, this is just a common way matching our defaults
return new String[]{path, path.substring(0, path.length() - "xml".length()) + "json"};
}
return new String[]{path};
}
public static File createConfig(final File config) throws IOException {
final ResourceFinder finder = new ResourceFinder("");
final URL defaultConfig = finder.find("default.openejb.conf");
IO.copy(IO.read(defaultConfig), config);
return config;
}
public static boolean addDeploymentEntryToConfig(final String jarLocation, final Openejb config) {
final File jar = new File(jarLocation);
/* Check to see if the entry is already listed */
for (final Deployments d : config.getDeployments()) {
if (d.getFile() != null) {
try {
final File target = SystemInstance.get().getBase().getFile(d.getFile(), false);
/*
* If the jar entry is already there, no need
* to add it to the config or go any futher.
*/
if (jar.equals(target)) {
return false;
}
} catch (final IOException e) {
/* No handling needed. If there is a problem
* resolving a config file path, it is better to
* just add this jars path explicitly.
*/
}
} else if (d.getDir() != null) {
try {
final File target = SystemInstance.get().getBase().getFile(d.getDir(), false);
final File jarDir = jar.getAbsoluteFile().getParentFile();
/*
* If a dir entry is already there, the jar
* will be loaded automatically. No need
* to add it explicitly to the config or go
* any futher.
*/
if (jarDir != null && jarDir.equals(target)) {
return false;
}
} catch (final IOException e) {
/* No handling needed. If there is a problem
* resolving a config file path, it is better to
* just add this jars path explicitly.
*/
}
}
}
/* Create a new Deployments entry */
final Deployments dep = JaxbOpenejb.createDeployments();
dep.setFile(jarLocation);
config.getDeployments().add(dep);
return true;
}
}
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