From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- src/main/java/org/pdfbox/util/ResourceLoader.java | 169 ++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 src/main/java/org/pdfbox/util/ResourceLoader.java (limited to 'src/main/java/org/pdfbox/util/ResourceLoader.java') 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 -- cgit v1.2.3