Changeset 18599 for greenstone3/trunk/src/java/org/greenstone/gsdl3/util/GlobalProperties.java

Timestamp:

2009-02-27T14:29:52+13:00 (15 years ago)

Author:

oranfry

Message:

*create the gsdl3 web address in a smarter way, including honouring a new property 'tomcat.protocol'
*whitespace fixes

File:

• greenstone3/trunk/src/java/org/greenstone/gsdl3/util/GlobalProperties.java (modified) (3 diffs)

greenstone3/trunk/src/java/org/greenstone/gsdl3/util/GlobalProperties.java

@@ -29 +29 @@
 
 
-     static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.GlobalProperties.class.getName());
+    static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.GlobalProperties.class.getName());
     private static Properties properties = null;
     private static String properties_filename = "global.properties";
@@ -37 +37 @@
     // Note, that if the servlet is reloadable, then it is reloaded each time the file is changed.
     static {
-    //load in the properties
-    properties = new Properties();
-    reload();   
+        //load in the properties
+        properties = new Properties();
+        reload();
     }
     
     /** get the value of the property 'key'. returns null if not found */
     public static String getProperty(String key) {
-    return properties.getProperty(key);
+        return properties.getProperty(key);
     }
 
@@ -50 +50 @@
      * returns default_value if not found */
     public static String getProperty(String key, String default_value) {
-    return properties.getProperty(key, default_value);
+        return properties.getProperty(key, default_value);
     }
 
     /** some special ones */
     public static String getGSDL3Home() {
-    return gsdl3_home;
+        return gsdl3_home;
     }
 
     public static String getGSDL3WebAddress() {
-    return gsdl3_web_address;
+        return gsdl3_web_address;
     }
     
     public static void reload() {
-    try {
-        InputStream in = Class.forName("org.greenstone.gsdl3.util.GlobalProperties").getClassLoader().getResourceAsStream(properties_filename);
-        if (in != null) {
-        logger.error("loading global properties");
-        properties.load(in);
-        in.close();
-        } else {
-        logger.error("couldn't load global properties!");
-        }
-        gsdl3_home = properties.getProperty("gsdl3.home");
-        // make sure the path separators are correct
-        File gs3_file = new File(gsdl3_home);
-        gsdl3_home = gs3_file.getPath();
-        gsdl3_web_address = "http://"+ properties.getProperty("tomcat.server")+":"+ properties.getProperty("tomcat.port")+"/"+properties.getProperty("tomcat.context");
-    } catch (Exception e) {
-        logger.error("Exception trying to reload global.properties: "+e);
-    }
-    
+        try {
+
+
+            InputStream in = Class.forName("org.greenstone.gsdl3.util.GlobalProperties").getClassLoader().getResourceAsStream(properties_filename);
+            if (in != null) {
+            logger.error("loading global properties");
+            properties.load(in);
+            in.close();
+            } else {
+            logger.error("couldn't load global properties!");
+            }
+            gsdl3_home = properties.getProperty("gsdl3.home");
+            // make sure the path separators are correct
+            File gs3_file = new File(gsdl3_home);
+            gsdl3_home = gs3_file.getPath();
+
+            //build the gsdl3 web address, in a way resilient to errors and ommisions in global.properties, simplifying where possible
+            //aiming for a string with no trailing slash, eg "http://localhost:8080/greenstone3" or "http://www.mygreenstonelibrary.com"
+            String protocolSpecifier = null, hostSpecifier = null, portSpecifier = null, contextSpecifier = null;
+
+            //protocol
+            if ( properties.getProperty("tomcat.protocol") == null || properties.getProperty("tomcat.protocol").equals("") ) {
+                protocolSpecifier = "http://";
+            } else {
+                if ( properties.getProperty("tomcat.protocol").endsWith("://") ) {
+                    protocolSpecifier = properties.getProperty("tomcat.protocol");
+                } else {
+                    protocolSpecifier = properties.getProperty("tomcat.protocol") + "://";
+                }
+            }
+
+            //hostname
+            if ( properties.getProperty("tomcat.server") == null ) {
+                hostSpecifier = "localhost";
+            } else {
+                hostSpecifier = properties.getProperty("tomcat.server");
+                while ( hostSpecifier.endsWith("/") ) {
+                    hostSpecifier = hostSpecifier.substring( 0, hostSpecifier.length()-1 );
+                }
+            }
+
+            //port
+            if (
+                properties.getProperty("tomcat.port") == null ||
+                properties.getProperty("tomcat.port").equals("") ||
+                ( protocolSpecifier.equals("http://") && properties.getProperty("tomcat.port").equals("80") ) ||
+                ( protocolSpecifier.equals("https://") && properties.getProperty("tomcat.port").equals("443") )
+                ) {
+                portSpecifier = "";
+            } else {
+                portSpecifier = ":" + properties.getProperty("tomcat.port");
+            }
+
+            //context path
+            if ( properties.getProperty("tomcat.context") == null || properties.getProperty("tomcat.context").equals("") || properties.getProperty("tomcat.context").equals("/") ) {
+                contextSpecifier = "";
+            } else {
+                contextSpecifier = properties.getProperty("tomcat.context");
+                if ( !contextSpecifier.startsWith("/") ) {
+                    contextSpecifier = "/" + contextSpecifier;
+                }
+            }
+
+            //string it all together
+            gsdl3_web_address = protocolSpecifier + hostSpecifier + portSpecifier + contextSpecifier;
+
+        } catch (Exception e) {
+            logger.error( "Exception trying to reload global.properties: " + e );
+        }
     }
 }