From a391d9aeba69d93c07d9e3ccc69d2a75408ac89b Mon Sep 17 00:00:00 2001
From: ferbas <ferbas@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Thu, 19 Nov 2009 14:16:45 +0000
Subject: configuration extension: internal vs. (old)external config file

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@440 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../wag/egov/egiz/cfg/SettingsReader.java          | 95 ++++++++++++----------
 1 file changed, 52 insertions(+), 43 deletions(-)

(limited to 'src/main/java/at/knowcenter/wag/egov/egiz/cfg')

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/cfg/SettingsReader.java b/src/main/java/at/knowcenter/wag/egov/egiz/cfg/SettingsReader.java
index 5fd67d2..8dea466 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/cfg/SettingsReader.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/cfg/SettingsReader.java
@@ -26,12 +26,14 @@ import iaik.utils.RFC2253NameParser;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.Properties;
 import java.util.Vector;
 
+import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.text.StrSubstitutor;
 import org.apache.commons.logging.Log;
@@ -58,16 +60,6 @@ import at.knowcenter.wag.egov.egiz.pdf.Utils;
  * 
  * <pre>
  *     
- *      
- *       
- *        
- *         
- *          
- *           
- *            
- *             
- *              
- *               
  *                        #SettingNotFoundException
  *                        error.code.100=Interner Fehler
  *                        error.code.101=Die Konfigurationsdatei konnte nicht geladen werden
@@ -76,22 +68,13 @@ import at.knowcenter.wag.egov.egiz.pdf.Utils;
  *                        error.code.200=Das Dokument konnte nicht geladen werden
  *                        
  *                        #SignatureException
- *                        error.code.300=Die Signatur ist ungültig
+ *                        error.code.300=Die Signatur ist ung�ltig
  *                        
  *                        #NormalizeException
  *                        error.code.400=Die angegebene Version ist nicht bekannt
  *                       
  *                        normalizer.version=V01
- *                
- *               
- *              
- *             
- *            
- *           
- *          
- *         
- *        
- *       
+
  *      
  * </pre>
  * 
@@ -99,35 +82,16 @@ import at.knowcenter.wag.egov.egiz.pdf.Utils;
  * 
  * <pre>
  *     
- *      
- *       
- *        
- *         
- *          
- *           
- *            
- *             
- *              
- *               
+
  *                        .error|
  *                              |.code|
  *                              |     |.200=Das Dokument konnte nicht geladen werden
  *                              |     |.100=Interner Fehler
  *                              |     |.400=Die angegebene Version ist nicht bekannt
  *                              |     |.101=Die Konfigurationsdatei konnte nicht geladen werden
- *                              |     |.300=Die Signatur ist ungültig
+ *                              |     |.300=Die Signatur ist ung�ltig
  *                       .normalizer|
- *                                  |.version=V01
- *                
- *               
- *              
- *             
- *            
- *           
- *          
- *         
- *        
- *       
+ *                                  |.version=V01      
  *      
  * </pre>
  * 
@@ -172,6 +136,11 @@ public class SettingsReader implements Serializable
    * The file path postfix where certificates are stored
    */
   private static final String CERT = "certificates";
+  
+  /**
+   * pdf-as internal properties resource path
+   */
+  private static final String PDF_AS_PROP_RESOURCE = "/config/pdf-as.properties";
 
 //  /**
 //   * The web application path
@@ -264,6 +233,9 @@ public class SettingsReader implements Serializable
    */
   private static final Log logger_ = LogFactory.getLog(SettingsReader.class);
 
+  private static final String INTERNAL_RESOURCE_PATH = "/config/";
+
+
   /**
    * Make this constructor private. Use the method
    * {@link SettingsReader#getInstance()}to get an instance from this class.
@@ -303,6 +275,9 @@ public class SettingsReader implements Serializable
       }
       FileInputStream sfs = new FileInputStream(settingsFile_);
       properties_.load(sfs);
+      
+      // dferbas override with system props
+      properties_.load(SettingsReader.class.getResourceAsStream(PDF_AS_PROP_RESOURCE));
 
       Properties help_prop = new Properties();
       FileInputStream hfs = new FileInputStream(cfg_path + HELP_TEXT_FILE_DEFAULT_NAME);
@@ -633,6 +608,40 @@ public class SettingsReader implements Serializable
   {
     return pTree_;
   }
+  
+  /**
+   * Reads internal resource as string.
+   * @param relativePath
+   * @return null in case of error
+   */
+  public String readInternalResourceAsString(String relativePath) {
+     return readAsString(getInternalResource(relativePath));     
+  }
+  
+  /**
+   * Get resource as stream, relative to internal resource path {@value #INTERNAL_RESOURCE_PATH}
+   * 
+   * @param relativePath
+   * @return
+   */
+  public InputStream getInternalResource(String relativePath) {
+     return this.getClass().getResourceAsStream(INTERNAL_RESOURCE_PATH + relativePath);
+  }
+  
+  /**
+   * Read resource as utf8 string. 
+   * @param is
+   * @return <code>null</code> in case of error
+   */
+  public String readAsString(InputStream is) {
+     if (is == null) return null;
+     try {
+        return IOUtils.toString(is, "utf-8");
+     } catch (IOException e) {
+        logger_.info("error reading stream to string ", e);
+     }     
+     return null;
+  }
 
   // /**
   // * This method checks the application context.
-- 
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