1 files changed, 125 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/tools/FileHelper.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/tools/FileHelper.java
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+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/tools/FileHelper.java
@@ -0,0 +1,125 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ *
+ * $Id: FileHelper.java,v 1.2 2006/05/15 12:05:21 wlackner Exp $
+ */
+package at.knowcenter.wag.egov.egiz.tools;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+
+/**
+ * This class provides file reader and writer methods. All methods are static!
+ * 
+ * @author wlackner
+ */
+public class FileHelper {
+  /**
+   * The logger definition.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(FileHelper.class);
+
+  /**
+   * This method reads a file by reading line by line.
+   * 
+   * @param fileName the file to be read
+   * @return the content string of the file
+   */
+  public static String readFromFile(String fileName) {
+    String file_string = null;
+    logger_.trace("Looking for file: " + fileName);
+    try {
+      BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), "UTF-8"));
+      logger_.trace("Reading file: " + fileName);
+      String line = null;
+      file_string = "";
+      while ((line = reader.readLine()) != null) {
+        file_string += line;
+      }
+      reader.close();
+      logger_.debug("File successfully read: " + fileName);
+    } catch (FileNotFoundException e) {
+      logger_.debug("File not found: " + fileName);
+    } catch (IOException e) {
+      logger_.debug("Error reading file: " + fileName);
+    }
+    return file_string;
+  }
+
+  /**
+   * This method reads a file by reading line by line.
+   * 
+   * @param fileName the file to be read
+   * @return the content string of the file
+   */
+  public static String readFromInputStream(InputStream inputStream) {
+    String file_string = null;
+    if (inputStream == null) {
+       return null;
+    }
+    try {
+      BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
+      String line = null;
+      file_string = "";
+      while ((line = reader.readLine()) != null) {
+        file_string += line;
+      }
+      reader.close();
+    } catch (IOException e) {
+      logger_.debug("Error reading inputstream.");
+    }
+    return file_string;
+  }
+
+  /**
+   * This method writes a file line by line.
+   * 
+   * @param fileName the file to be written
+   * @param fileString the content to be written
+   * @return true if the file could be written sucessfully, false otherwise
+   */
+  public static boolean writeToFile(String fileName, String fileString) {
+    BufferedWriter writer;
+    try {
+      FileWriter fwriter = new FileWriter(fileName);
+      writer = new BufferedWriter(fwriter);
+      writer.write(fileString);
+      writer.close();
+    } catch (IOException e) {
+      logger_.info("File:" + fileName + " can not be written. Cause:" + e.getMessage());
+      return false;
+    }
+    return true;
+  }
+}
+\ No newline at end of file