1 files changed, 72 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java
new file mode 100644
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--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/api/commons/TextDataSourceAdapter.java
@@ -0,0 +1,72 @@
+/**
+ * <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.
+ */
+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;
+  }
+}