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com.xmlcalabash.io.WritableDocument Maven / Gradle / Ivy
/*
* WritableDocument.java
*
* Copyright 2008 Mark Logic Corporation.
* Portions Copyright 2007 Sun Microsystems, Inc.
* All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* https://xproc.dev.java.net/public/CDDL+GPL.html or
* docs/CDDL+GPL.txt in the distribution. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at docs/CDDL+GPL.txt.
*/
package com.xmlcalabash.io;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import com.xmlcalabash.util.MessageFormatter;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.Serializer;
import net.sf.saxon.s9api.XdmNode;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.io.DataStore.DataWriter;
import com.xmlcalabash.model.Serialization;
import com.xmlcalabash.model.Step;
import com.xmlcalabash.util.S9apiUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author ndw
*/
public class WritableDocument implements WritablePipe {
private Logger logger = LoggerFactory.getLogger(WritableDocument.class);
private Serializer serializer = null;
private int writeCount = 0;
private String uri = null;
private URI journal = null;
private XProcRuntime runtime = null;
private Serialization serial = null;
private boolean writeSeqOk = false;
private Step writer = null;
private OutputStream ostream = null;
/* Creates a new instance of ReadableDocument */
public WritableDocument(XProcRuntime xproc, String uri, Serialization serial) {
this.runtime = xproc;
this.uri = uri;
if (serial == null) {
this.serial = new Serialization(xproc, null);
this.serial.setIndent(xproc.getDebug()); // indent stdio by default when debugging
} else {
this.serial = serial;
}
}
public WritableDocument(XProcRuntime xproc, String uri, Serialization serial, OutputStream out) {
this.runtime = xproc;
this.uri = uri;
this.ostream = out;
if (serial == null) {
this.serial = new Serialization(xproc, null);
this.serial.setIndent(xproc.getDebug()); // indent stdio by default when debugging
} else {
this.serial = serial;
}
}
public void canWriteSequence(boolean sequence) {
writeSeqOk = sequence;
}
public boolean writeSequence() {
return writeSeqOk;
}
public void resetWriter() {
throw new UnsupportedOperationException("You can't resetWriter a WritableDocument");
}
public void close()
{
if (ostream != null) {
try {
ostream.close();
} catch (IOException ex) {
throw new RuntimeException(ex.getMessage(),ex);
}
}
}
public void setWriter(Step step) {
writer = step;
}
public void write(final XdmNode doc) {
try {
serializer = runtime.getProcessor().newSerializer();
serializer.setOutputProperty(Serializer.Property.BYTE_ORDER_MARK, serial.getByteOrderMark() ? "yes" : "no");
// FIXME: support CDATA_SECTION_ELEMENTS
if (serial.getDoctypePublic() != null) {
serializer.setOutputProperty(Serializer.Property.DOCTYPE_PUBLIC, serial.getDoctypePublic());
}
if (serial.getDoctypeSystem() != null) {
serializer.setOutputProperty(Serializer.Property.DOCTYPE_SYSTEM, serial.getDoctypeSystem());
}
if (serial.getEncoding() != null) {
serializer.setOutputProperty(Serializer.Property.ENCODING, serial.getEncoding());
}
serializer.setOutputProperty(Serializer.Property.ESCAPE_URI_ATTRIBUTES, serial.getEscapeURIAttributes() ? "yes" : "no");
serializer.setOutputProperty(Serializer.Property.INCLUDE_CONTENT_TYPE, serial.getIncludeContentType() ? "yes" : "no");
serializer.setOutputProperty(Serializer.Property.INDENT, serial.getIndent() ? "yes" : "no");
String media = serial.getMediaType();
if (media == null) {
media = "application/xml";
} else {
serializer.setOutputProperty(Serializer.Property.MEDIA_TYPE, media);
}
if (serial.getMethod() != null) {
serializer.setOutputProperty(Serializer.Property.METHOD, serial.getMethod().getLocalName());
}
if (serial.getNormalizationForm() != null) {
serializer.setOutputProperty(Serializer.Property.NORMALIZATION_FORM, serial.getNormalizationForm());
}
serializer.setOutputProperty(Serializer.Property.OMIT_XML_DECLARATION, serial.getOmitXMLDeclaration() ? "yes" : "no");
if (serial.getStandalone() != null) {
String standalone = serial.getStandalone();
if ("true".equals(standalone)) {
serializer.setOutputProperty(Serializer.Property.STANDALONE, "yes");
} else if ("false".equals(standalone)) {
serializer.setOutputProperty(Serializer.Property.STANDALONE, "no");
}
// What about omit?
}
serializer.setOutputProperty(Serializer.Property.UNDECLARE_PREFIXES, serial.getUndeclarePrefixes() ? "yes" : "no");
if (serial.getVersion() != null) {
serializer.setOutputProperty(Serializer.Property.VERSION, serial.getVersion());
}
if (ostream != null) {
serializer.setOutputStream(ostream);
S9apiUtils.serialize(runtime, doc, serializer);
} else if (uri == null) {
serializer.setOutputStream(System.out);
S9apiUtils.serialize(runtime, doc, serializer);
} else {
try {
DataStore store = runtime.getDataStore();
store.writeEntry(uri, uri, media, new DataWriter() {
public void store(OutputStream ostream)
throws IOException {
logger.trace("Attempt to write file: " + uri);
serializer.setOutputStream(ostream);
try {
S9apiUtils.serialize(runtime, doc, serializer);
} catch (SaxonApiException e) {
throw new IOException(e);
}
}
});
} catch (IOException ex) {
if (ex.getCause() instanceof SaxonApiException) {
throw (SaxonApiException) ex.getCause();
}
runtime.error(ex);
}
}
writeCount++;
if ((((ostream == null) && (uri == null) && (writeCount > 1))
|| (System.out.equals(ostream))) && runtime.getDebug()) {
System.out.println("\n----------------------------------------------------------------------------");
}
} catch (SaxonApiException sae) {
logger.debug(sae.getMessage(), sae);
throw new XProcException(sae);
}
if (writer != null) {
logger.trace(MessageFormatter.nodeMessage(writer.getNode(),
writer.getName() + " wrote '" + (doc == null ? "null" : doc.getBaseURI())));
}
}
public int documentsWritten() {
return writeCount;
}
public int documentsRead() {
return 1;
}
}
