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Diffstat (limited to 'src/java/jogamp/common/PropertyAccess.java')
-rw-r--r-- | src/java/jogamp/common/PropertyAccess.java | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/java/jogamp/common/PropertyAccess.java b/src/java/jogamp/common/PropertyAccess.java deleted file mode 100644 index 88d6dec..0000000 --- a/src/java/jogamp/common/PropertyAccess.java +++ /dev/null @@ -1,147 +0,0 @@ -/** - * Copyright 2012 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 jogamp.common; - -import java.security.*; - -/** Helper routines for accessing properties. */ -public class PropertyAccess { - public static final String jnlp_prefix = "jnlp." ; - - /** @see #getProperty(String, boolean, AccessControlContext) */ - public static final int getIntProperty(final String property, final boolean jnlpAlias, final AccessControlContext acc, int defaultValue) { - int i=defaultValue; - try { - final String sv = PropertyAccess.getProperty(property, jnlpAlias, acc); - if(null!=sv) { - i = Integer.valueOf(sv).intValue(); - } - } catch (NumberFormatException nfe) {} - return i; - } - - /** @see #getProperty(String, boolean, AccessControlContext) */ - public static final long getLongProperty(final String property, final boolean jnlpAlias, final AccessControlContext acc, long defaultValue) { - long l=defaultValue; - try { - final String sv = PropertyAccess.getProperty(property, jnlpAlias, acc); - if(null!=sv) { - l = Long.valueOf(sv).longValue(); - } - } catch (NumberFormatException nfe) {} - return l; - } - - /** @see #getProperty(String, boolean, AccessControlContext) */ - public static final boolean getBooleanProperty(final String property, final boolean jnlpAlias, final AccessControlContext acc) { - return Boolean.valueOf(PropertyAccess.getProperty(property, jnlpAlias, acc)).booleanValue(); - } - - /** @see #getProperty(String, boolean, AccessControlContext) */ - public static final boolean getBooleanProperty(final String property, final boolean jnlpAlias, final AccessControlContext acc, boolean defaultValue) { - final String valueS = PropertyAccess.getProperty(property, jnlpAlias, acc); - if(null != valueS) { - return Boolean.valueOf(valueS).booleanValue(); - } - return defaultValue; - } - - /** @see #getProperty(String, boolean, AccessControlContext) */ - public static final boolean isPropertyDefined(final String property, final boolean jnlpAlias, final AccessControlContext acc) { - return (PropertyAccess.getProperty(property, jnlpAlias, acc) != null) ? true : false; - } - - /** - * Query the property with the name <code>propertyKey</code>. - * <p> - * If <code>jnlpAlias</code> is <code>true</code> and the plain <code>propertyKey</code> - * could not be resolved, an attempt to resolve the JNLP aliased <i>trusted property</i> is made.<br> - * Example: For the propertyName <code>OneTwo</code>, the jnlp alias name is <code>jnlp.OneTwo</code>, which is considered trusted.<br> - * </p> - * - * @param propertyKey the property name to query. - * @param jnlpAlias true if a fallback attempt to query the JNLP aliased <i>trusted property</i> shall be made, - * otherwise false. - * @param acc the AccessControlerContext to be used for privileged access to the system property, or null. - * - * @return the property value if exists, or null - * - * @throws NullPointerException if the property name is null - * @throws IllegalArgumentException if the property name is of length 0 - * @throws SecurityException if no access to the JNLP aliased <i>trusted property</i> is allowed. - * This is actually a bug in the JRE implementation, since the JNLP aliased <i>trusted properties</i> - * shall be allowed without extended priviledges. - * - * @see System#getProperty(String) - */ - public static final String getProperty(final String propertyKey, final boolean jnlpAlias, final AccessControlContext acc) - throws SecurityException, NullPointerException, IllegalArgumentException { - if(null == propertyKey) { - throw new NullPointerException("propertyKey is NULL"); - } - if(0 == propertyKey.length()) { - throw new IllegalArgumentException("propertyKey is empty"); - } - String s=null; - if( null!=acc ) { - s = AccessController.doPrivileged(new PrivilegedAction<String>() { - public String run() { - String val=null; - try { - val = System.getProperty(propertyKey); - } catch (SecurityException se) {} - return val; - } - }, acc); - } else { - try { - s = System.getProperty(propertyKey); - } catch (SecurityException se) {} - } - if(null==s && jnlpAlias && !propertyKey.startsWith(jnlp_prefix)) { - // Properties within the namespace "jnlp." or "javaws." should be considered trusted, - // i.e. always granted w/o special priviledges. - // FIXME: Nevertheless we use this class AccessControlContext to ensure access - // on all supported implementations. - s = AccessController.doPrivileged(new PrivilegedAction<String>() { - public String run() { - final String propertyKeyAliased = jnlp_prefix + propertyKey; - String val = null; - try { - val = System.getProperty(propertyKeyAliased); - } catch (SecurityException se) { - throw new SecurityException("Could not access trusted property 'propertyKeyAliased'", se); - } - return val; - } - }); - } - return s; - } -} |