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-rw-r--r--src/java/com/jogamp/common/util/cache/TempCacheReg.java37
-rw-r--r--src/java/com/jogamp/common/util/cache/TempFileCache.java4
-rw-r--r--src/java/com/jogamp/common/util/cache/TempJarCache.java71
3 files changed, 85 insertions, 27 deletions
diff --git a/src/java/com/jogamp/common/util/cache/TempCacheReg.java b/src/java/com/jogamp/common/util/cache/TempCacheReg.java
new file mode 100644
index 0000000..47ef584
--- /dev/null
+++ b/src/java/com/jogamp/common/util/cache/TempCacheReg.java
@@ -0,0 +1,37 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.common.util.cache;
+
+public class TempCacheReg {
+ public static boolean isTempFileCacheUsed() {
+ return null != System.getProperty(TempFileCache.tmpRootPropName);
+ }
+ public static boolean isTempJarCacheUsed() {
+ return TempJarCache.isInitialized();
+ }
+}
diff --git a/src/java/com/jogamp/common/util/cache/TempFileCache.java b/src/java/com/jogamp/common/util/cache/TempFileCache.java
index 2145239..ef5a2a2 100644
--- a/src/java/com/jogamp/common/util/cache/TempFileCache.java
+++ b/src/java/com/jogamp/common/util/cache/TempFileCache.java
@@ -45,7 +45,7 @@ public class TempFileCache {
// Get the value of the tmproot system property
// Lifecycle: For all JVMs and ClassLoader
- private static final String tmpRootPropName = "jnlp.jogamp.tmp.cache.root";
+ /* package */ static final String tmpRootPropName = "jnlp.jogamp.tmp.cache.root";
// Flag indicating that we got a fatal error in the static initializer.
private static boolean staticInitError = false;
@@ -224,7 +224,7 @@ public class TempFileCache {
deleteOldTempDirs();
}
};
- reaperThread.setName("AppletLauncher-Reaper");
+ reaperThread.setName("TempFileCache-Reaper");
reaperThread.start();
} else {
// Make sure that the property is not set to an illegal value
diff --git a/src/java/com/jogamp/common/util/cache/TempJarCache.java b/src/java/com/jogamp/common/util/cache/TempJarCache.java
index efdf113..9da7d0c 100644
--- a/src/java/com/jogamp/common/util/cache/TempJarCache.java
+++ b/src/java/com/jogamp/common/util/cache/TempJarCache.java
@@ -35,7 +35,6 @@ import java.util.Map;
import java.util.Set;
import java.util.jar.JarFile;
-
import com.jogamp.common.os.NativeLibrary;
import com.jogamp.common.util.JarUtil;
@@ -55,44 +54,59 @@ public class TempJarCache {
private static TempFileCache tmpFileCache;
private static boolean staticInitError = false;
-
- static {
- staticInitError = !TempFileCache.initSingleton();
-
- if(!staticInitError) {
- tmpFileCache = new TempFileCache();
- staticInitError = !tmpFileCache.isValid();
- }
-
- if(!staticInitError) {
- // Initialize the collections of resources
- nativeLibMap = new HashMap<String, String>();
- nativeLibJars = new HashSet<JarFile>();
- classFileJars = new HashSet<JarFile>();
- resourceFileJars = new HashSet<JarFile>();
- }
- }
+ private static volatile boolean isInit = false;
/**
- * Documented way to kick off static initialization
+ * Documented way to kick off static initialization.
+ *
* @return true is static initialization was successful
*/
public static boolean initSingleton() {
- return isValid();
+ if (!isInit) { // volatile: ok
+ synchronized (TempJarCache.class) {
+ if (!isInit) {
+ isInit = true;
+ staticInitError = !TempFileCache.initSingleton();
+
+ if(!staticInitError) {
+ tmpFileCache = new TempFileCache();
+ staticInitError = !tmpFileCache.isValid();
+ }
+
+ if(!staticInitError) {
+ // Initialize the collections of resources
+ nativeLibMap = new HashMap<String, String>();
+ nativeLibJars = new HashSet<JarFile>();
+ classFileJars = new HashSet<JarFile>();
+ resourceFileJars = new HashSet<JarFile>();
+ }
+ }
+ }
+ }
+ return !staticInitError;
}
/**
- * @return true is static initialization was successful
+ *
+ * @return true if this class has been initialized, ie. used, otherwise not.
*/
- public static boolean isValid() {
- return !staticInitError;
+ public static boolean isInitialized() {
+ return isInit;
+ }
+
+ /* package */ static void checkInitialized() {
+ if(!isInit) {
+ throw new RuntimeException("initSingleton() has to be called first.");
+ }
}
public static TempFileCache getTempFileCache() {
+ checkInitialized();
return tmpFileCache;
}
public static boolean contains(JarFile jarFile) throws IOException {
+ checkInitialized();
return nativeLibJars.contains(jarFile);
}
@@ -104,6 +118,7 @@ public class TempJarCache {
* @throws IOException
*/
public static boolean addNativeLibs(JarFile jarFile) throws IOException {
+ checkInitialized();
if(!nativeLibJars.contains(jarFile)) {
JarUtil.extract(tmpFileCache.getTempDir(), nativeLibMap, jarFile,
true, false, false);
@@ -123,7 +138,8 @@ public class TempJarCache {
* @return
* @throws IOException
*/
- public static boolean addClasses(JarFile jarFile) throws IOException {
+ public static boolean addClasses(JarFile jarFile) throws IOException {
+ checkInitialized();
if(!classFileJars.contains(jarFile)) {
JarUtil.extract(tmpFileCache.getTempDir(), null, jarFile,
false, true, false);
@@ -141,6 +157,7 @@ public class TempJarCache {
* @throws IOException
*/
public static boolean addResources(JarFile jarFile) throws IOException {
+ checkInitialized();
if(!resourceFileJars.contains(jarFile)) {
JarUtil.extract(tmpFileCache.getTempDir(), null, jarFile,
false, false, true);
@@ -161,7 +178,8 @@ public class TempJarCache {
* @return
* @throws IOException
*/
- public static boolean addAll(JarFile jarFile) throws IOException {
+ public static boolean addAll(JarFile jarFile) throws IOException {
+ checkInitialized();
if(!nativeLibJars.contains(jarFile) ||
!classFileJars.contains(jarFile) ||
!resourceFileJars.contains(jarFile)) {
@@ -185,6 +203,7 @@ public class TempJarCache {
}
public static String findLibrary(String libName) {
+ checkInitialized();
// try with mapped library basename first
String path = nativeLibMap.get(libName);
if(null == path) {
@@ -202,6 +221,7 @@ public class TempJarCache {
/** TODO class access pending
* needs Classloader.defineClass(..) access, ie. own derivation - will do when needed ..
public static Class<?> findClass(String name, ClassLoader cl) throws IOException, ClassFormatError {
+ checkInitialized();
final File f = new File(nativeTmpFileCache.getTempDir(), IOUtil.getClassFileName(name));
if(f.exists()) {
Class.forName(fname, initialize, loader)
@@ -214,6 +234,7 @@ public class TempJarCache {
} */
public static String findResource(String name) {
+ checkInitialized();
final File f = new File(tmpFileCache.getTempDir(), name);
if(f.exists()) {
return f.getAbsolutePath();