/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.core.util;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.URL;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
import org.teiid.designer.runtime.version.spi.ITeiidServerVersion;
import org.teiid.designer.runtime.version.spi.TeiidServerVersion.Version;
/**
*
*/
public final class ApplicationInfo implements Serializable {
/**
*
*/
private static final long serialVersionUID = 5497221915458216010L;
/**
* Product information key
*/
public static final String APPLICATION_PRODUCT_INFORMATION = "Product Information"; //$NON-NLS-1$
/**
* Build number key
*/
public static final String APPLICATION_BUILD_NUMBER_PROPERTY = "Build"; //$NON-NLS-1$
private static final ApplicationInfo INSTANCE = new ApplicationInfo();
private static final String LINE_SEPARATOR = "\n"; //$NON-NLS-1$
private static final String COPYRIGHT = "copyright"; //$NON-NLS-1$
private static final String URL = "url"; //$NON-NLS-1$
private Properties props = new Properties();
private ITeiidServerVersion teiidVersion = Version.TEIID_DEFAULT.get();
private ApplicationInfo() {
props.setProperty(COPYRIGHT, "Copyright (C) 2008-2009 Red Hat, Inc"); //$NON-NLS-1$
props.setProperty(URL, "http://www.jboss.org/teiid"); //$NON-NLS-1$
}
/**
* @param teiidVersion
*/
public void setTeiidVersion(ITeiidServerVersion teiidVersion) {
this.teiidVersion = teiidVersion;
}
/**
* @return release number
*/
public String getReleaseNumber() {
return teiidVersion.toString();
}
/**
* @return major release version
*/
public int getMajorReleaseVersion() {
String version = teiidVersion.getMajor();
return Integer.parseInt(version);
}
/**
* @return minor release version
*/
public int getMinorReleaseVersion() {
String version = teiidVersion.getMinor();
return Integer.parseInt(version);
}
/**
* @return url property
*/
public String getUrl() {
return props.getProperty(URL);
}
/**
* @return copyright property
*/
public String getCopyright() {
return props.getProperty(COPYRIGHT);
}
/**
* Get the application information instance for this VM.
* @return the singleton instance for this VM; never null
*/
public static ApplicationInfo getInstance() {
return INSTANCE;
}
private static String getClassPath() {
return System.getProperty( "java.class.path" ); //$NON-NLS-1$
}
/**
* The getClasspathInfo method is used to capture the current classpath
* information. The initial intent is to write this information
* to a file at VM startup time for debugging purposes and ensuring
* patches are applied.
* @return classpath info string
* @since 4.2
*/
public String getClasspathInfo() {
String classPath = getClassPath();
StringBuffer sb = new StringBuffer();
sb.append("\nDate: " + DateFormat.getDateInstance().format(new Date()));//$NON-NLS-1$
sb.append( LINE_SEPARATOR );
Map pathResults = new HashMap();
List reversetList = new ArrayList();
String separator = System.getProperty( "path.separator" ); //$NON-NLS-1$
StringTokenizer path = new StringTokenizer( classPath, separator );
while(path.hasMoreTokens()){
String pathElement = path.nextToken();
File pathFile = new File( pathElement );
if (pathFile.exists()) {
// if (resourceExistInClassPath(pathElement)) {
pathResults.put(pathElement, Boolean.TRUE);
} else {
pathResults.put(pathElement, Boolean.FALSE);
}
reversetList.add(pathElement);
}
sb.append("Classpath Information" ); //$NON-NLS-1$
sb.append( LINE_SEPARATOR );
sb.append("CLASSPATH: "); //$NON-NLS-1$
sb.append(classPath);
sb.append( LINE_SEPARATOR );
sb.append( LINE_SEPARATOR );
Iterator iter = reversetList.iterator();
sb.append("---- Classpath Entries ----"); //$NON-NLS-1$
sb.append( LINE_SEPARATOR );
while ( iter.hasNext() ) {
String epath = (String) iter.next();
Boolean doesExist = (Boolean) pathResults.get(epath);
sb.append(epath);
if (!doesExist.booleanValue()) {
sb.append(" (MISSING)");//$NON-NLS-1$
}
sb.append( LINE_SEPARATOR );
}
sb.append( LINE_SEPARATOR );
sb.append("Note the (MISSING) at the end to designate that the classpath entry is missing");//$NON-NLS-1$
try {
// find all the patch readme files and print those out.
Enumeration readmes = ClassLoader.getSystemResources("patch_readme.txt"); //$NON-NLS-1$
sb.append( LINE_SEPARATOR );
sb.append( LINE_SEPARATOR );
sb.append("---- Patch Readme Entries----"); //$NON-NLS-1$
sb.append( LINE_SEPARATOR );
int cnt = 0;
if (readmes != null) {
while(readmes.hasMoreElements()) {
++cnt;
URL url = (URL) readmes.nextElement();
sb.append("Patch " + url.getFile() + ":"); //$NON-NLS-1$ //$NON-NLS-2$
sb.append( LINE_SEPARATOR );
InputStream is = url.openStream();
byte[] data = ObjectConverterUtil.convertToByteArray(is);
sb.append(new String(data));
sb.append("-------------------------------------");//$NON-NLS-1$
sb.append( LINE_SEPARATOR );
is.close();
}
}
if (cnt == 0) {
sb.append("no Patch Readme Entries found"); //$NON-NLS-1$
}
} catch (IOException ioe) {
}
return sb.toString();
}
}