Revision: 17660
http://sourceforge.net/p/gate/code/17660
Author: markagreenwood
Date: 2014-03-14 14:59:44 +0000 (Fri, 14 Mar 2014)
Log Message:
-----------
added the new export methods to DocumentFormat as well as an example in the
FastInfoset plugin -- it would be nice to add some GUI code so that the export
options become menu items automatically without needing resource helpers
Modified Paths:
--------------
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetDocumentFormat.java
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetExporter.java
gate/trunk/src/main/gate/DocumentFormat.java
Modified:
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetDocumentFormat.java
===================================================================
---
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetDocumentFormat.java
2014-03-14 09:19:11 UTC (rev 17659)
+++
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetDocumentFormat.java
2014-03-14 14:59:44 UTC (rev 17660)
@@ -29,8 +29,10 @@
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
+import java.io.OutputStream;
import java.io.Reader;
import java.io.StringReader;
+import java.util.Map;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
@@ -46,11 +48,14 @@
@CreoleResource(name = "Fast Infoset Document Format", isPrivate = true,
autoinstances = {@AutoInstance(hidden = true)})
public class FastInfosetDocumentFormat extends TextualDocumentFormat {
+ private static final long serialVersionUID = -2394353168913311584L;
+
private static StAXManager staxManager;
/** Default construction */
public FastInfosetDocumentFormat() {
super();
+ supportsExport = true;
}
/** We could collect repositioning information during XML parsing */
@@ -330,4 +335,13 @@
return this;
}
+ @Override
+ public void export(Document doc, OutputStream out, Map<String,Object>
options) throws IOException {
+ try {
+ FastInfosetExporter.export(doc, out);
+ }
+ catch (Exception e) {
+ throw new IOException("Error exporting document",e);
+ }
+ }
}
\ No newline at end of file
Modified:
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetExporter.java
===================================================================
---
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetExporter.java
2014-03-14 09:19:11 UTC (rev 17659)
+++
gate/trunk/plugins/Format_FastInfoset/src/gate/corpora/FastInfosetExporter.java
2014-03-14 14:59:44 UTC (rev 17660)
@@ -18,8 +18,6 @@
import gate.Document;
import gate.Factory;
import gate.Gate;
-import gate.LanguageResource;
-import gate.Resource;
import gate.creole.metadata.AutoInstance;
import gate.creole.metadata.CreoleResource;
import gate.gui.MainFrame;
@@ -50,6 +48,7 @@
import com.sun.xml.fastinfoset.stax.StAXDocumentSerializer;
+@SuppressWarnings("serial")
@CreoleResource(name = "Fast Infoset Exporter", tool = true, autoinstances =
@AutoInstance)
public class FastInfosetExporter extends ResourceHelper {
Modified: gate/trunk/src/main/gate/DocumentFormat.java
===================================================================
--- gate/trunk/src/main/gate/DocumentFormat.java 2014-03-14 09:19:11 UTC
(rev 17659)
+++ gate/trunk/src/main/gate/DocumentFormat.java 2014-03-14 14:59:44 UTC
(rev 17660)
@@ -23,8 +23,11 @@
import gate.util.BomStrippingInputStreamReader;
import gate.util.DocumentFormatException;
+import java.io.File;
+import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.io.OutputStream;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.net.URL;
@@ -104,6 +107,8 @@
/** Flag for enable/disable collecting of repositioning information */
private Boolean shouldCollectRepositioning = new Boolean(false);
+
+ protected boolean supportsExport = false;
/** If the document format could collect repositioning information
* during the unpack phase this method will return <B>true</B>.
@@ -159,6 +164,60 @@
doc.setFeatures(fm);
unpackMarkup(doc);
}// unpackMarkup();
+
+ /**
+ * Returns true if this DocumentFormat instance supports exporting
+ * GATE documents, false otherwise.
+ *
+ * @return true if this DocumentFormat instance supports exporting
+ * GATE documents, false otherwise.
+ */
+ public boolean isExportSupported() {
+ return supportsExport;
+ }
+
+ /**
+ * Equivalent to {@link #export(Document,File, Map)} with an
+ * empty map of options.
+ */
+ public void export(Document doc, File file) throws IOException {
+ export(doc,file,new HashMap<String,Object>());
+ }
+
+ /**
+ * Equivalent to {@link #export(Document,OutputStream, Map)} using a
+ * FileOutputStream instance constructed from the File param.
+ */
+ public void export(Document doc, File file, Map<String,Object> options)
throws IOException {
+ FileOutputStream out = null;
+ try {
+ out = new FileOutputStream(file);
+ export(doc, new FileOutputStream(file), options);
+ }
+ finally {
+ IOUtils.closeQuietly(out);
+ }
+ }
+
+ /**
+ * Equivalent to {@link #export(Document,OutputStream)} with an
+ * empty map of options.
+ */
+ public void export(Document doc, OutputStream out) throws IOException {
+ export(doc,out,new HashMap<String,Object>());
+ }
+
+ /**
+ * Exports the provided {@link Document} instance to the specified
+ * {@link OutputStream} using the specified options.
+ *
+ * @param doc the document to export
+ * @param out the OutputStream to export the document to
+ * @param options DocumentFormat specific export options
+ */
+ public void export(Document doc, OutputStream out, Map<String, Object>
options) throws IOException {
+ throw new UnsupportedOperationException("Export Not Supported");
+ }
/**
* Returns a MimeType having as input a fileSufix.
@@ -536,6 +595,18 @@
String fileSuffix)
{
return getDocumentFormat(aGateDocument, getMimeType(fileSuffix));
} // getDocumentFormat(String)
+
+ /**
+ * Find the DocumentFormat implementation that deals with the given
+ * MIME type.
+ *
+ * @param mimeType the MIME type you want the DocumentFormat for
+ * @return the DocumentFormat associated with the MIME type or null if
+ * the MIME type does not have a registered DocumentFormat
+ */
+ public static DocumentFormat getDocumentFormat(MimeType mimeType) {
+ return mimeString2ClassHandlerMap.get(mimeType);
+ }
/**
* Find a DocumentFormat implementation that deals with a particular
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