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hrmsEjb/net/sf/jasperreports/engine/util/JRSaver.java

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+package net.sf.jasperreports.engine.util;
+
+import java.io.BufferedOutputStream;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import net.sf.jasperreports.engine.JRException;
+
+public class JRSaver {
+  public static void saveObject(Object obj, String fileName) throws JRException {
+    saveObject(obj, new File(fileName));
+  }
+  
+  public static void saveObject(Object obj, File file) throws JRException {
+    FileOutputStream fos = null;
+    ObjectOutputStream oos = null;
+    try {
+      fos = new FileOutputStream(file);
+      BufferedOutputStream bos = new BufferedOutputStream(fos);
+      oos = new ObjectOutputStream(bos);
+      oos.writeObject(obj);
+      oos.flush();
+      bos.flush();
+      fos.flush();
+    } catch (IOException e) {
+      throw new JRException("Error saving file : " + file, e);
+    } finally {
+      if (oos != null)
+        try {
+          oos.close();
+        } catch (IOException e) {} 
+      if (fos != null)
+        try {
+          fos.close();
+        } catch (IOException e) {} 
+    } 
+  }
+  
+  public static void saveObject(Object obj, OutputStream os) throws JRException {
+    ObjectOutputStream oos = null;
+    try {
+      oos = new ObjectOutputStream(os);
+      oos.writeObject(obj);
+      oos.flush();
+    } catch (IOException e) {
+      throw new JRException("Error saving object to OutputStream", e);
+    } finally {
+      if (oos != null)
+        try {
+          oos.close();
+        } catch (IOException e) {} 
+    } 
+  }
+  
+  public static void saveClassSource(String source, File file) throws JRException {
+    FileWriter fwriter = null;
+    try {
+      fwriter = new FileWriter(file);
+      BufferedWriter bufferedWriter = new BufferedWriter(fwriter);
+      bufferedWriter.write(source);
+      bufferedWriter.flush();
+      fwriter.flush();
+    } catch (IOException e) {
+      throw new JRException("Error saving expressions class file : " + file, e);
+    } finally {
+      if (fwriter != null)
+        try {
+          fwriter.close();
+        } catch (IOException e) {} 
+    } 
+  }
+}