PDF-AS API

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@233 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 52 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java b/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java
new file mode 100644
index 0000000..4b34d6f
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java
@@ -0,0 +1,52 @@
+/**

+ * 

+ */

+package at.gv.egiz.pdfas.impl.api.commons;

+

+import java.io.UnsupportedEncodingException;

+

+import at.gv.egiz.pdfas.api.io.TextBased;

+import at.gv.egiz.pdfas.impl.input.TextDataSourceImpl;

+

+/**

+ * Adapter that converts an API DataSource to a framework TextDataSource.

+ * 

+ * @author wprinz

+ */

+public class TextDataSourceAdapter extends TextDataSourceImpl

+{

+  /**

+   * The API DataSource to be adapted to a framework TextDataSource.

+   */

+  protected at.gv.egiz.pdfas.api.io.DataSource apiDataSource = null;

+

+  /**

+   * Constructor.

+   * 

+   * @param apiDataSource

+   *          The API DataSource to be adapted to a framework TextDataSource.

+   * @throws UnsupportedEncodingException

+   */

+  public TextDataSourceAdapter(at.gv.egiz.pdfas.api.io.DataSource apiDataSource) throws UnsupportedEncodingException

+  {

+    super(null);

+    this.apiDataSource = apiDataSource;

+

+    if (this.apiDataSource instanceof TextBased)

+    {

+      TextBased tb = (TextBased) this.apiDataSource;

+      this.text = tb.getText();

+    }

+    else

+    {

+      byte[] data = this.apiDataSource.getAsByteArray();

+      String characterEncoding = this.apiDataSource.getCharacterEncoding();

+      if (characterEncoding == null)

+      {

+        throw new UnsupportedEncodingException("The characterEncoding must not be null. Specify a correct encoding.");

+      }

+      this.text = new String(data, characterEncoding);

+    }

+    assert this.text != null;

+  }

+}