Relative URIs in the configuration file are evaluated relative to the base URI of the configuration file

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1058945 13f79535-47bb-0310-9956-ffa450edef68

src/documentation/content/xdocs/trunk/configuration.xml

@@ -89,6 +89,9 @@
         </td>
         <td>disabled</td>
       </tr>
+	  <tr>
+		<td colspan="4">Relative URIs for the above three properties are evaluated relative to the base URI of the configuration file. If the configuration is provided programmatically, the base URI can be set with <code>FopFactory.setUserConfigBaseURI</code>; default is the current working directory.</td>
+	  </tr>
 	  <tr>
 		<td>hyphenation-pattern</td>
 		<td>String, attribute lang, attribute country (optional)</td>

src/java/org/apache/fop/apps/FopFactory.java

@@ -24,6 +24,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.net.MalformedURLException;
+import java.net.URI;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -700,6 +701,15 @@ public class FopFactory implements ImageContext {
         config.setUserConfig(userConfig);
     }
 
+    /**
+     * Set the base URI for the user configuration
+     * Useful for programmatic configurations
+     * @param baseURI the base URI
+     */
+    public void setUserConfigBaseURI(URI baseURI) {
+        config.setBaseURI(baseURI);
+    }
+
     /**
      * Get the user configuration.
      * @return the user configuration

src/java/org/apache/fop/apps/FopFactoryConfigurator.java

@@ -22,6 +22,8 @@ package org.apache.fop.apps;
 import java.io.File;
 import java.io.IOException;
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -78,6 +80,9 @@ public class FopFactoryConfigurator {
     /** Fop factory configuration */
     private Configuration cfg = null;
 
+    /** The base URI of the configuration file **/
+    private URI baseURI = null;
+
     /**
      * Default constructor
      * @param factory fop factory
@@ -130,17 +135,23 @@ public class FopFactoryConfigurator {
 
         // base definitions for relative path resolution
         if (cfg.getChild("base", false) != null) {
+            String path = cfg.getChild("base").getValue(null);
+            if (baseURI != null) {
+                path = baseURI.resolve(path).normalize().toString();
+            }
             try {
-                factory.setBaseURL(
-                        cfg.getChild("base").getValue(null));
+                factory.setBaseURL(path);
             } catch (MalformedURLException mfue) {
                 LogUtil.handleException(log, mfue, strict);
             }
         }
         if (cfg.getChild("hyphenation-base", false) != null) {
+            String path = cfg.getChild("hyphenation-base").getValue(null);
+            if (baseURI != null) {
+                path = baseURI.resolve(path).normalize().toString();
+            }
             try {
-                factory.setHyphenBaseURL(
-                        cfg.getChild("hyphenation-base").getValue(null));
+                factory.setHyphenBaseURL(path);
             } catch (MalformedURLException mfue) {
                 LogUtil.handleException(log, mfue, strict);
             }
@@ -259,7 +270,7 @@ public class FopFactoryConfigurator {
         }
 
         // configure font manager
-        new FontManagerConfigurator(cfg).configure(factory.getFontManager(), strict);
+        new FontManagerConfigurator(cfg, baseURI).configure(factory.getFontManager(), strict);
 
         // configure image loader framework
         configureImageLoading(cfg.getChild("image-loading", false), strict);
@@ -339,6 +350,7 @@ public class FopFactoryConfigurator {
      */
     public void setUserConfig(Configuration cfg) throws FOPException {
         this.cfg = cfg;
+        setBaseURI();
         configure(this.factory);
     }
 
@@ -349,4 +361,34 @@ public class FopFactoryConfigurator {
     public Configuration getUserConfig() {
         return this.cfg;
     }
+
+    /**
+     * @return the baseURI
+     */
+    public URI getBaseURI() {
+        return baseURI;
+    }
+
+    /**
+     * @param baseURI the baseURI to set
+     */
+    public void setBaseURI(URI baseURI) {
+        this.baseURI = baseURI;
+    }
+
+    private void setBaseURI() throws FOPException {
+        String[] locationParts = cfg.getLocation().split(":");
+        try {
+            if (locationParts != null && locationParts.length >= 2
+                    && "file".equals(locationParts[0])) {
+                baseURI = new URI(locationParts[0], locationParts[1], null);
+            }
+            if (baseURI == null) {
+                baseURI = new File(System.getProperty("user.dir")).toURI();
+            }
+        } catch (URISyntaxException e) {
+            throw new FOPException(e);
+        }
+    }
+
 }

src/java/org/apache/fop/fonts/FontManagerConfigurator.java

@@ -21,6 +21,7 @@ package org.apache.fop.fonts;
 
 import java.io.File;
 import java.net.MalformedURLException;
+import java.net.URI;
 import java.util.List;
 import java.util.regex.Pattern;
 
@@ -43,6 +44,8 @@ public class FontManagerConfigurator {
 
     private final Configuration cfg;
 
+    private URI baseURI = null;
+
     /**
      * Main constructor
      * @param cfg the font manager configuration object
@@ -51,6 +54,16 @@ public class FontManagerConfigurator {
         this.cfg = cfg;
     }
 
+    /**
+     * Main constructor
+     * @param cfg the font manager configuration object
+     * @param baseURI the base URI of the configuration
+     */
+    public FontManagerConfigurator(Configuration cfg, URI baseURI) {
+        this.cfg = cfg;
+        this.baseURI = baseURI;
+    }
+
     /**
      * Initializes font settings from the user configuration
      * @param fontManager a font manager
@@ -74,8 +87,12 @@ public class FontManagerConfigurator {
             }
         }
         if (cfg.getChild("font-base", false) != null) {
+            String path = cfg.getChild("font-base").getValue(null);
+            if (baseURI != null) {
+                path = baseURI.resolve(path).normalize().toString();
+            }
             try {
-                fontManager.setFontBaseURL(cfg.getChild("font-base").getValue(null));
+                fontManager.setFontBaseURL(path);
             } catch (MalformedURLException mfue) {
                 LogUtil.handleException(log, mfue, true);
             }

status.xml

@@ -49,6 +49,7 @@
     <context id="API" title="Changes to the End-User API"/>
     <context id="Extensions" title="Changes to the Bundled Extensions"/>
     <context id="Images" title="Changes to the Image Support"/>
+	<context id="Config" title="Changes to the User Configuration"/>
   </contexts>
 
   <changes>
@@ -58,6 +59,9 @@
       documents. Example: the fix of marks layering will be such a case when it's done.
     -->
     <release version="FOP Trunk" date="TBD">
+	  <action context="Config" dev="SP" type="fix">
+		Bugfix: relative URIs in the configuration file (base, font-base, hyphenation-base) are evaluated relative to the base URI of the configuration file.
+	  </action>
       <action context="Layout" dev="AD" type="fix" fixes-bug="49848">
         Bugfix: correct behavior of keep-together.within-line in case there are nested inlines
       </action>

test/test-no-xml-metrics.xconf

@@ -7,7 +7,7 @@
   <base>./</base>
 
   <!-- Font Base URL for resolving relative font URLs -->
-  <font-base>./test/resources/fonts</font-base>
+  <font-base>./resources/fonts</font-base>
   
   <renderers>
     <renderer mime="application/pdf">