Merge pull request #165 from wiktor-k/add-closeable

Make Document and PdfWriter compatible with try-with-resources
LibrePDF · Mar 26, 2019 · a6a0caa · a6a0caa
2 parents b969bd8 + 6772897
commit a6a0caa
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/openpdf/src/main/java/com/lowagie/text/Document.java b/openpdf/src/main/java/com/lowagie/text/Document.java
@@ -99,7 +99,7 @@
  * </BLOCKQUOTE>
  */
 
-public class Document implements DocListener {
+public class Document implements AutoCloseable, DocListener {
 
     // membervariables
     /**
@@ -442,6 +442,7 @@ public int getPageNumber() {
      * Once all the content has been written in the body, you have to close the
      * body. After that nothing can be written to the body anymore.
      */
+    @Override
     public void close() {
         if (!close) {
             open = false;

diff --git a/openpdf/src/main/java/com/lowagie/text/pdf/PdfReader.java b/openpdf/src/main/java/com/lowagie/text/pdf/PdfReader.java
@@ -3123,6 +3123,7 @@ protected static PdfObject duplicatePdfObject(PdfObject original,
   /**
    * Closes the reader
    */
+  @Override
   public void close() {
     if (!partial)
       return;

diff --git a/openpdf/src/main/java/com/lowagie/text/pdf/PdfWriter.java b/openpdf/src/main/java/com/lowagie/text/pdf/PdfWriter.java
@@ -63,6 +63,7 @@
 import java.awt.*;
 import java.awt.color.ICC_Profile;
 import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.security.cert.Certificate;
@@ -78,6 +79,7 @@
  */
 
 public class PdfWriter extends DocWriter implements
+    Closeable,
     PdfViewerPreferences,
     PdfEncryptionSettings,
     PdfVersion,
@@ -1146,6 +1148,7 @@ public void open() {
      * to the outputstream embedded in a Trailer.
      * @see com.lowagie.text.DocWriter#close()
      */
+    @Override
     public void close() {
         if (open) {
             if ((currentPageNumber - 1) != pageReferences.size())