--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.utils;\r
+\r
+import java.io.File;\r
+import java.util.Properties;\r
+\r
+/**\r
+ * \r
+ * @author Toni Kalajainen\r
+ */\r
+public class LibraryPathUtils {\r
+\r
+ // The problem with JMF is that it is (should be)\r
+ // Located in Java CLASSPATH. For some reason eclipse java VM does not\r
+ // Look into CLASSPATH.\r
+ // The following code adds CLASSPATH to System enviroment java.library.path\r
+ public static void addCLASSPATHtoEclipseVariables() {\r
+ String CLASSPATH = System.getenv("CLASSPATH");\r
+ if (CLASSPATH != null)\r
+ for (String classPath : CLASSPATH.split(";")) {\r
+ if (!classPath.toLowerCase().endsWith(".jar"))\r
+ addLibraryPath(classPath);\r
+ addClassPath(classPath);\r
+ }\r
+ CLASSPATH = System.getenv("PATH");\r
+ if (CLASSPATH != null)\r
+ for (String classPath : CLASSPATH.split(";")) {\r
+ addLibraryPath(classPath);\r
+ }\r
+ // On linux\r
+ CLASSPATH = System.getenv("LD_LIBRARY_PATH");\r
+ if (CLASSPATH != null)\r
+ for (String classPath : CLASSPATH.split(";")) {\r
+ addLibraryPath(classPath);\r
+ }\r
+\r
+ // printEnvVariables();\r
+ }\r
+\r
+ public static void addLibraryPath(String newLibrary) {\r
+ if (newLibrary == null || "".equals(newLibrary))\r
+ return;\r
+ String java_library_path = System.getProperty("java.library.path");\r
+ if (java_library_path != null) {\r
+ for (String library : java_library_path.split(";"))\r
+ if (library.equals(newLibrary))\r
+ return;\r
+ }\r
+\r
+ // System.out.println("Adding path: " + newLibrary);\r
+\r
+ if (java_library_path == null || "".equals(java_library_path))\r
+ java_library_path = newLibrary;\r
+ else {\r
+ if (!java_library_path.endsWith(";"))\r
+ java_library_path += ";";\r
+ java_library_path += newLibrary + ";";\r
+ }\r
+\r
+ System.setProperty("java.library.path", java_library_path);\r
+ }\r
+\r
+ public static void addClassPath(String newLibrary) {\r
+ if (newLibrary == null || "".equals(newLibrary))\r
+ return;\r
+ String java_library_path = System.getProperty("java.class.path");\r
+ if (java_library_path != null) {\r
+ for (String library : java_library_path.split(";"))\r
+ if (library.equals(newLibrary))\r
+ return;\r
+ }\r
+\r
+ // System.out.println("Adding cp: " + newLibrary);\r
+\r
+ if (java_library_path == null || "".equals(java_library_path))\r
+ java_library_path = newLibrary;\r
+ else {\r
+ if (!java_library_path.endsWith(";"))\r
+ java_library_path += ";";\r
+ java_library_path += newLibrary + ";";\r
+ }\r
+\r
+ System.setProperty("java.class.path", java_library_path);\r
+ }\r
+\r
+ public static void printEnvVariables() {\r
+ // Add env variable CLASSPATH\r
+ Properties props = System.getProperties();\r
+ for (Object key : props.keySet()) {\r
+ Object value = props.get(key);\r
+ System.out.println(key + "=" + value);\r
+ }\r
+\r
+ System.out.println("\n\nEnv:");\r
+ for (Object key : System.getenv().keySet()) {\r
+ Object value = System.getenv().get(key);\r
+ System.out.println(key + "=" + value);\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Find location of a jar library\r
+ * \r
+ * @param library name of the library\r
+ * @return full location of the library\r
+ */\r
+ public static String findLibrary(String library) {\r
+ String CLASSPATH = System.getenv("CLASSPATH");\r
+\r
+ if (CLASSPATH == null)\r
+ return null;\r
+ // 1st search case sensitive\r
+ for (String classPath : CLASSPATH.split(";"))\r
+ if (classPath.endsWith(library))\r
+ return classPath;\r
+\r
+ // Widen search for insensitive\r
+ for (String classPath : CLASSPATH.split(";"))\r
+ if (classPath.toLowerCase().endsWith(library.toLowerCase()))\r
+ return classPath;\r
+ return null;\r
+ } \r
+ \r
+ /**\r
+ * This method searches for CLASSPATH and converts libraries there into\r
+ * separate key,value pairs in system properties. The key will be \r
+ * name of the library and value will be it's location in file system.\r
+ *\r
+ * This method acts as a helper tool for loading external libraries into \r
+ * the visibility of bundle class loader.\r
+ * Call:\r
+ * LibraryPathUtils.createSystemPropertiesFromClassPathLibraries(); \r
+ * \r
+ * This call should be invoked at the very beginning of application. \r
+ * This way external libraries can by dynamicly loaded at runtime. \r
+ * The way to do this, is to add "external:$library.jar$" into plugin \r
+ * settings runtime/classpath, \r
+ * in Manifest.mf it is "Bundle-ClassPath: external:$library.jar$" \r
+ */\r
+ public static void createSystemPropertiesFromClassPathLibraries() {\r
+ String CLASSPATH = System.getenv("CLASSPATH");\r
+\r
+ if (CLASSPATH == null)\r
+ return;\r
+ \r
+ // 1st search case sensitive\r
+ for (String classPath : CLASSPATH.split(";")) {\r
+ //System.out.println(classPath);\r
+ if (!classPath.toLowerCase().endsWith(".jar")) continue;\r
+ File lib = new File(classPath);\r
+ if (!lib.exists()) {\r
+ //System.out.println("Warning library \""+classPath+"\" does not exist yet it exists in CLASSPATH.");\r
+ continue;\r
+ } else {\r
+ }\r
+ String key = lib.getName();\r
+ String value = lib.getAbsolutePath();\r
+ System.setProperty(key, value);\r
+ //System.out.println(key+"="+value);\r
+ }\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff