diff options
| author | netconomy <netconomy@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2007-11-29 12:00:22 +0000 |
|---|---|---|
| committer | netconomy <netconomy@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2007-11-29 12:00:22 +0000 |
| commit | 61a2d23ef72630934c603fe9ffb96ebebff6ee09 (patch) | |
| tree | ce05c4470d3a7a2743b4956f512288d6d0d62187 /src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java | |
| parent | 00809217ec7c890a844f9a7c667c71b550ad92a6 (diff) | |
| download | pdf-as-3-61a2d23ef72630934c603fe9ffb96ebebff6ee09.tar.gz pdf-as-3-61a2d23ef72630934c603fe9ffb96ebebff6ee09.tar.bz2 pdf-as-3-61a2d23ef72630934c603fe9ffb96ebebff6ee09.zip | |
PDF-AS API
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@233 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java')
| -rw-r--r-- | src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java b/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java new file mode 100644 index 0000000..fd56bfe --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSource.java @@ -0,0 +1,121 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+import at.gv.egiz.pdfas.api.io.DataSource;
+import at.gv.egiz.pdfas.api.io.FileBased;
+import at.gv.egiz.pdfas.impl.input.helper.DataSourceHelper;
+
+/**
+ * A FileBased DataSource implementation.
+ *
+ * @author wprinz
+ */
+public class FileBasedDataSource implements DataSource, FileBased
+{
+ protected File file = null;
+
+ protected String mimeType = null;
+
+ protected String characterEncoding = null;
+
+ protected byte[] cache = null;
+
+ /**
+ * @param file
+ * @param mimeType
+ * @throws IOException
+ */
+ public FileBasedDataSource(File file, String mimeType) throws IOException
+ {
+ this(file, mimeType, null);
+ }
+
+ /**
+ * @param file
+ * @param mimeType
+ * @param characterEncoding
+ * @throws IOException
+ */
+ public FileBasedDataSource(File file, String mimeType, String characterEncoding) throws IOException
+ {
+ if (file == null)
+ {
+ throw new IllegalArgumentException("The file must not be null.");
+ }
+ if (mimeType == null)
+ {
+ throw new IllegalArgumentException("The mimeType must not be null.");
+ }
+ if (!file.exists())
+ {
+ throw new FileNotFoundException("The file '" + file + "' does not exist.");
+ }
+ if (!file.canRead())
+ {
+ throw new IOException("The file '" + file + "' cannot be read.");
+ }
+
+ this.file = file;
+ this.mimeType = mimeType;
+ this.characterEncoding = characterEncoding;
+ this.cache = DataSourceHelper.convertInputStreamToByteArrayIOEx(new FileInputStream(this.file));
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#createInputStream()
+ */
+ public InputStream createInputStream()
+ {
+ return new ByteArrayInputStream(this.cache);
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getAsByteArray()
+ */
+ public byte[] getAsByteArray()
+ {
+ return this.cache;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getLength()
+ */
+ public int getLength()
+ {
+ return this.cache.length;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getMimeType()
+ */
+ public String getMimeType()
+ {
+ return this.mimeType;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getCharacterEncoding()
+ */
+ public String getCharacterEncoding()
+ {
+ return this.characterEncoding;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.FileBased#getFile()
+ */
+ public File getFile()
+ {
+ return this.file;
+ }
+
+}
|