1 files changed, 169 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/util/ResourceLoader.java b/src/main/java/org/pdfbox/util/ResourceLoader.java
new file mode 100644
index 0000000..0f80d09
--- /dev/null
+++ b/src/main/java/org/pdfbox/util/ResourceLoader.java
@@ -0,0 +1,169 @@
+/**
+ * Copyright (c) 2003, www.pdfbox.org
+ * 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.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE REGENTS 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.
+ *
+ * http://www.pdfbox.org
+ */
+package org.pdfbox.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+
+import java.util.Properties;
+
+import org.apache.log4j.Logger;
+
+/**
+ * This class will handle loading resource files(AFM/CMAP).
+ *
+ * @author  Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.6 $
+ */
+public class ResourceLoader
+{
+    private static Logger log = Logger.getLogger( ResourceLoader.class );
+    
+    /**
+     * private constructor for utility class.
+     */
+    private ResourceLoader()
+    {
+        //private utility class
+    }
+
+    /**
+     * This will attempt to load the resource given the resource name.
+     *
+     * @param resourceName The resource to try and load.
+     *
+     * @return The resource as a stream or null if it could not be found.
+     * 
+     * @throws IOException If there is an error while attempting to load the resource.
+     */
+    public static InputStream loadResource( String resourceName ) throws IOException
+    {
+        if( log.isDebugEnabled() )
+        {
+            log.debug( "loadResource( " + resourceName + ")" );
+        }
+
+        ClassLoader loader = ResourceLoader.class.getClassLoader();
+
+        InputStream is = null;
+        
+        if( loader != null )
+        {
+            is = loader.getResourceAsStream( resourceName );
+        }
+        
+        //see sourceforge bug 863053, this is a fix for a user that
+        //needed to have PDFBox loaded by the bootstrap classloader
+        if( is == null )
+        {
+            loader = ClassLoader.getSystemClassLoader();
+            if( loader != null )
+            {
+                is = loader.getResourceAsStream( resourceName );
+            }
+        }
+        
+        if( is == null )
+        {
+            File f = new File( resourceName );
+            if( f.exists() )
+            {
+                is = new FileInputStream( f );
+            }
+        }
+
+        return is;
+    }
+    
+    /**
+     * This will attempt to load the resource given the resource name.
+     *
+     * @param resourceName The resource to try and load.
+     *
+     * @return The resource as a stream or null if it could not be found.
+     * 
+     * @throws IOException If there is an error loading the properties.
+     */
+    public static Properties loadProperties( String resourceName ) throws IOException
+    {
+        Properties properties = null;
+        InputStream is = null;
+        try
+        {
+            is = loadResource( resourceName );
+            if( is != null )
+            {
+                properties = new Properties();
+                properties.load( is );
+            }
+        }
+        finally
+        {
+            if( is != null )
+            {
+                is.close();
+            }
+        }
+        return properties;
+    }
+    
+    /**
+     * This will attempt to load the resource given the resource name.
+     *
+     * @param resourceName The resource to try and load.
+     * @param defaults A stream of default properties.
+     *
+     * @return The resource as a stream or null if it could not be found.
+     * 
+     * @throws IOException If there is an error loading the properties.
+     */
+    public static Properties loadProperties( String resourceName, Properties defaults ) throws IOException
+    {
+        InputStream is = null;
+        try
+        {
+            is = loadResource( resourceName );
+            if( is != null )
+            {
+                defaults.load( is );
+            }
+        }
+        finally
+        {
+            if( is != null )
+            {
+                is.close();
+            }
+        }
+        return defaults;
+    }
+}
+\ No newline at end of file