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 | |
| 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')
6 files changed, 598 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSink.java b/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSink.java new file mode 100644 index 0000000..bf74ed5 --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSink.java @@ -0,0 +1,87 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import at.gv.egiz.pdfas.api.io.DataSink;
+
+/**
+ * @author wprinz
+ *
+ */
+public class ByteArrayDataSink implements DataSink
+{
+ /**
+ * The byte output stream.
+ */
+ ByteArrayOutputStream baos = null;
+
+ /**
+ * The mime type.
+ */
+ protected String mimeType = null;
+
+ /**
+ * The character encoding.
+ */
+ protected String characterEncoding = null;
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#createOutputStream(java.lang.String)
+ */
+ public OutputStream createOutputStream(String mimeType) throws IOException
+ {
+ return createOutputStream(mimeType, null);
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#createOutputStream(java.lang.String,
+ * java.lang.String)
+ */
+ public OutputStream createOutputStream(String mimeType, String characterEncoding) throws IOException
+ {
+ this.mimeType = mimeType;
+ this.characterEncoding = characterEncoding;
+ this.baos = new ByteArrayOutputStream();
+ return this.baos;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#getMimeType()
+ */
+ public String getMimeType()
+ {
+ return this.mimeType;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#getCharacterEncoding()
+ */
+ public String getCharacterEncoding()
+ {
+ return this.characterEncoding;
+ }
+
+ /**
+ * Returns the byte data, or null if none available.
+ *
+ * <p>
+ * Note that internally, this just calls the {@link ByteArrayOutputStream#toByteArray()} method.
+ * </p>
+ *
+ * @return Returns the byte data, or null if none available.
+ */
+ public byte [] getData()
+ {
+ if (this.baos == null)
+ {
+ return null;
+ }
+ return this.baos.toByteArray();
+ }
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSource.java b/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSource.java new file mode 100644 index 0000000..37726df --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/ByteArrayDataSource.java @@ -0,0 +1,95 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import at.gv.egiz.pdfas.api.io.DataSource;
+
+/**
+ * A byte array backed DataSource.
+ *
+ * @author wprinz
+ */
+public class ByteArrayDataSource implements DataSource
+{
+
+ /**
+ * The byte array.
+ */
+ protected byte[] data = null;
+
+ /**
+ * The mime type.
+ */
+ protected String mimeType = null;
+
+ /**
+ * The character encoding.
+ */
+ protected String characterEncoding = null;
+
+ /**
+ * @param data
+ * @param mimeType
+ */
+ public ByteArrayDataSource(byte[] data, String mimeType)
+ {
+ this(data, mimeType, null);
+ }
+
+ /**
+ * @param data
+ * @param mimeType
+ * @param characterEncoding
+ */
+ public ByteArrayDataSource(byte[] data, String mimeType, String characterEncoding)
+ {
+ this.data = data;
+ this.mimeType = mimeType;
+ this.characterEncoding = characterEncoding;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#createInputStream()
+ */
+ public InputStream createInputStream()
+ {
+ return new ByteArrayInputStream(this.data);
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getAsByteArray()
+ */
+ public byte[] getAsByteArray()
+ {
+ return this.data;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getCharacterEncoding()
+ */
+ public String getCharacterEncoding()
+ {
+ return this.characterEncoding;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getMimeType()
+ */
+ public String getMimeType()
+ {
+ return this.mimeType;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getLength()
+ */
+ public int getLength()
+ {
+ return this.data.length;
+ }
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSink.java b/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSink.java new file mode 100644 index 0000000..184dd09 --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/FileBasedDataSink.java @@ -0,0 +1,96 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import at.gv.egiz.pdfas.api.io.DataSink;
+import at.gv.egiz.pdfas.api.io.FileBased;
+
+/**
+ * @author wprinz
+ *
+ */
+public class FileBasedDataSink implements DataSink, FileBased
+{
+ protected File file = null;
+
+ protected String mimeType = null;
+
+ protected String characterEncoding = null;
+
+
+
+ /**
+ * @param file
+ * @throws IOException
+ */
+ public FileBasedDataSink(File file) throws IOException
+ {
+ if (!file.exists())
+ {
+ file.createNewFile();
+ }
+ if (!file.isFile())
+ {
+ throw new IOException("The file '" + file + "' is not a normal file.");
+ }
+ if (!file.canWrite())
+ {
+ throw new IOException("The file '" + file + "' cannot be written.");
+ }
+
+ this.file = file;
+ }
+
+ /**
+ * @throws FileNotFoundException
+ * @see at.gv.egiz.pdfas.api.io.DataSink#createOutputStream(java.lang.String)
+ */
+ public OutputStream createOutputStream(String mimeType) throws FileNotFoundException
+ {
+ return createOutputStream(mimeType, null);
+ }
+
+ /**
+ * @throws FileNotFoundException
+ * @see at.gv.egiz.pdfas.api.io.DataSink#createOutputStream(java.lang.String,
+ * java.lang.String)
+ */
+ public OutputStream createOutputStream(String mimeType, String characterEncoding) throws FileNotFoundException
+ {
+ this.mimeType = mimeType;
+ this.characterEncoding = characterEncoding;
+ return new FileOutputStream(this.file);
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#getMimeType()
+ */
+ public String getMimeType()
+ {
+ return this.mimeType;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSink#getCharacterEncoding()
+ */
+ public String getCharacterEncoding()
+ {
+ return this.characterEncoding;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.FileBased#getFile()
+ */
+ public File getFile()
+ {
+ return this.file;
+ }
+
+}
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;
+ }
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/io/FileBasedTextBasedDataSource.java b/src/main/java/at/gv/egiz/pdfas/io/FileBasedTextBasedDataSource.java new file mode 100644 index 0000000..5be2148 --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/FileBasedTextBasedDataSource.java @@ -0,0 +1,103 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+
+import at.gv.egiz.pdfas.api.io.TextBased;
+
+/**
+ * FileBased DataSource that is TextBased.
+ *
+ * @author wprinz
+ */
+public class FileBasedTextBasedDataSource extends FileBasedDataSource implements TextBased
+{
+ protected String text = null;
+
+ /**
+ * @param file
+ * @param mimeType
+ * @param characterEncoding
+ * @throws IOException
+ */
+ public FileBasedTextBasedDataSource(File file, String mimeType, String characterEncoding) throws IOException
+ {
+ super(file, mimeType, characterEncoding);
+ if (characterEncoding == null)
+ {
+ throw new IllegalArgumentException("The characterEncoding must not be null.");
+ }
+ }
+
+ /**
+ * @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;
+ }
+
+ public String getText()
+ {
+ if (this.text == null)
+ {
+ try
+ {
+ this.text = new String(this.cache, this.characterEncoding);
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+ return this.text;
+ }
+
+}
diff --git a/src/main/java/at/gv/egiz/pdfas/io/StringTextBasedDataSource.java b/src/main/java/at/gv/egiz/pdfas/io/StringTextBasedDataSource.java new file mode 100644 index 0000000..d8b879f --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/io/StringTextBasedDataSource.java @@ -0,0 +1,96 @@ +/**
+ *
+ */
+package at.gv.egiz.pdfas.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+
+import at.gv.egiz.pdfas.api.io.DataSource;
+import at.gv.egiz.pdfas.api.io.TextBased;
+
+/**
+ * A String TextBased DataSource.
+ *
+ * @author wprinz
+ *
+ */
+public class StringTextBasedDataSource implements DataSource, TextBased
+{
+ /**
+ * The text.
+ */
+ protected String text = null;
+
+ protected byte[] cache = null;
+
+ /**
+ * @param text
+ */
+ public StringTextBasedDataSource(String text)
+ {
+ this.text = text;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#createInputStream()
+ */
+ public InputStream createInputStream()
+ {
+ return new ByteArrayInputStream(getAsByteArray());
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getAsByteArray()
+ */
+ public byte[] getAsByteArray()
+ {
+ if (cache == null)
+ {
+ try
+ {
+ this.cache = this.text.getBytes("UTF-8");
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+ return this.cache;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getLength()
+ */
+ public int getLength()
+ {
+ return getAsByteArray().length;
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getMimeType()
+ */
+ public String getMimeType()
+ {
+ return "text/plain";
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.DataSource#getCharacterEncoding()
+ */
+ public String getCharacterEncoding()
+ {
+ return "UTF-8";
+ }
+
+ /**
+ * @see at.gv.egiz.pdfas.api.io.TextBased#getText()
+ */
+ public String getText()
+ {
+ return this.text;
+ }
+
+}
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