/*
* © Copyright IBM Corp. 2012-2013
*
* 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 com.ibm.commons.platform;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import javax.naming.NamingException;
import com.ibm.commons.platform.GenericWebAppServerPlatform;
import com.ibm.commons.util.StringUtil;
import com.ibm.commons.util.TDiag;
import com.ibm.commons.util.io.ReaderInputStream;
/**
* Platform class for WebSphere Server.
*/
public abstract class WebAppServerPlatform extends GenericWebAppServerPlatform {
public static final String PROP_INSTALLDIR = "webserver.installdir"; // $NON-NLS-1$
public static final String PROP_RESOURCESDIR = "webserver.resourcesdir"; // $NON-NLS-1$
public static final String RESNAME_RESOURCESXML = "resources.xml"; // $NON-NLS-1$
public static final String RESNAME_SQLDDLPROPS = "sqlddl.properties"; // $NON-NLS-1$
public static final String ENABLE_ADVSTATEMGR = "enableAdvStateMgr"; //$NON-NLS-1$
public WebAppServerPlatform() {
}
public String getProperty(String key) {
if(PROP_INSTALLDIR.equals(key)) {
return getInstallationDirectory().getAbsolutePath();
}
if(PROP_RESOURCESDIR.equals(key)) {
return getResourcesDirectory().getAbsolutePath();
}
return super.getProperty(key);
}
public abstract File getInstallationDirectory();
public abstract File getResourcesDirectory();
public InputStream getGlobalResource(String resourceName) {
// Look for a JNDI entry
InputStream jndiStream = getGlobalResourceFromJNDI(resourceName);
if(jndiStream!=null) {
return jndiStream;
}
// Look for a file
InputStream fileStream = getGlobalResourceFromFile(resourceName);
if(fileStream!=null) {
return fileStream;
}
// Ok, nothing found..
return null;
}
protected InputStream getGlobalResourceFromJNDI(String resourceName) {
String name = getResourceJNDIName(resourceName);
if(StringUtil.isNotEmpty(name)) {
ArrayList<String> logMsgs = new ArrayList<String>();
// Get the value stored in the repository, as a String
// PHIL: this can be a URL object!!
String resourcesXmlVal = null;
try {
resourcesXmlVal = getGlobalResJNDIProperty(resourceName);
} catch (NamingException e) {
// log problem with JNDI initial context?
logMsgs.add("NamingException while reading the JNDI property for global resources descriptor. Exception: "+ e.getMessage()); // $NLE-WebAppServerPlatform.NamingExceptionwhilereadingtheJND-1$
}
// if we got a property value, determine if it is a URL or content
if (StringUtil.isNotEmpty(resourcesXmlVal)) {
// check if we have a URL. If so, record the fact
URL url = null;
try {
url = new URL(resourcesXmlVal);
// log the fact that we picked up an URL?
logMsgs.add("Found a valid URL to global resources descriptor. Accessing URL now..."); // $NLI-WebAppServerPlatform.FoundavalidURLtoglobalresourcesde-1$
return url.openStream();
} catch( MalformedURLException ex) {
return new ReaderInputStream(new StringReader(resourcesXmlVal));
} catch (IOException e) {
// log that URL access failed
logMsgs.add("IOException while accessing the URL to global resources descriptor."); // $NLE-WebAppServerPlatform.IOExceptionwhileaccessingtheURLto-1$
}
//log here if JNDI property is non-empty, and both attempts fail
for (String msg : logMsgs) {
TDiag.trace(msg);
}
logMsgs.clear();
}
}
return null;
}
protected String getResourceJNDIName(String resourceName) {
// PHIL: disabled for now until it is tested...
return null;
//return resourceName;
}
protected String getGlobalResJNDIProperty(String resourceName) throws NamingException {
return null;
}
protected InputStream getGlobalResourceFromFile(String resourceName) {
File file = getGlobalResourceFile(resourceName);
if(file!=null) {
try {
return new FileInputStream(file);
}
catch(FileNotFoundException ex) {
}
}
return null;
}
public File getGlobalResourceFile(String resourceName) {
File file = new File(getResourcesDirectory(),resourceName);
return file;
}
public boolean isFeatureEnabled (String featureId){
if(StringUtil.equals(featureId, ENABLE_ADVSTATEMGR)) {
return true;
}
return super.isFeatureEnabled(featureId);
}
}