/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.common.xml.stax.writer;
import java.io.OutputStream;
import java.io.Writer;
import javax.xml.namespace.QName;
import org.gatein.common.xml.stax.writer.builder.StaxFormatterBuilder;
import org.gatein.common.xml.stax.writer.builder.StaxFormatterBuilderImpl;
import org.gatein.common.xml.stax.writer.builder.StaxWriterBuilder;
import org.gatein.common.xml.stax.writer.builder.StaxWriterBuilderImpl;
import org.gatein.common.xml.stax.writer.formatting.XmlStreamingFormatter;
import org.staxnav.EnumElement;
import org.staxnav.Naming;
import org.staxnav.StaxNavException;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
* @version $Revision$
*/
public class StaxWriterUtils {
public static <N> StaxWriter<N> createWriter(Naming<N> naming, OutputStream outputStream) throws StaxNavException {
return buildDefaultWriter(outputStream).build(naming);
}
public static StaxWriter<String> createWriter(OutputStream outputStream) throws StaxNavException {
return createWriter(new Naming.Local(), outputStream);
}
public static StaxWriter<QName> createQualifiedWriter(OutputStream outputStream) throws StaxNavException {
return createWriter(new Naming.Qualified(), outputStream);
}
public static <E extends Enum<E> & EnumElement<E>> StaxWriter<E> createWriter(Class<E> enumeratedClass,
OutputStream outputStream) throws StaxNavException {
Naming<E> naming;
if (EnumElement.class.isAssignableFrom(enumeratedClass)) {
naming = new Naming.Enumerated.Mapped<E>(enumeratedClass, null);
} else {
naming = new Naming.Enumerated.Simple<E>(enumeratedClass, null);
}
return createWriter(naming, outputStream);
}
public static <N> StaxWriter<N> createWriter(Naming<N> naming, Writer writer) throws StaxNavException {
return buildDefaultWriter().withWriter(writer).build(naming);
}
public static StaxWriter<String> createWriter(Writer writer) throws StaxNavException {
return createWriter(new Naming.Local(), writer);
}
public static StaxWriter<QName> createQualifiedWriter(Writer writer) throws StaxNavException {
return createWriter(new Naming.Qualified(), writer);
}
public static <E extends Enum<E> & EnumElement<E>> StaxWriter<E> createWriter(Class<E> enumeratedClass, Writer writer)
throws StaxNavException {
Naming<E> naming;
if (EnumElement.class.isAssignableFrom(enumeratedClass)) {
naming = new Naming.Enumerated.Mapped<E>(enumeratedClass, null);
} else {
naming = new Naming.Enumerated.Simple<E>(enumeratedClass, null);
}
return createWriter(naming, writer);
}
public static StaxWriterBuilder buildWriter() {
return new StaxWriterBuilderImpl();
}
public static XmlStreamingFormatter createFormatter() {
return buildFormatter().withNewline(DEFAULT_NEWLINE).ofIndentSize(DEFAULT_INDENT_SIZE)
.withIndentCharacter(DEFAULT_INDENT_CHAR).build();
}
public static XmlStreamingFormatter createFormatter(int indentSize) {
return buildFormatter().withNewline(DEFAULT_NEWLINE).ofIndentSize(indentSize).withIndentCharacter(DEFAULT_INDENT_CHAR)
.build();
}
public static StaxFormatterBuilder buildFormatter() {
return new StaxFormatterBuilderImpl();
}
public static <N> void writeOptionalElement(StaxWriter<N> writer, N element, String content) {
if (content == null)
return;
writer.writeElement(element, content);
}
public static <N, V> void writeOptionalElement(StaxWriter<N> writer, N element, WritableValueType<V> valueType, V value) {
if (value == null)
return;
writer.writeElement(element, valueType, value);
}
public static <N> void writeOptionalContent(StaxWriter<N> writer, N element, String content) {
writer.writeStartElement(element);
if (content != null) {
writer.writeContent(content);
}
writer.writeEndElement();
}
public static <N, V> void writeOptionalContent(StaxWriter<N> writer, N element, WritableValueType<V> valueType, V value) {
writer.writeStartElement(element);
if (value != null) {
writer.writeContent(valueType, value);
}
writer.writeEndElement();
}
private static StaxWriterBuilder buildDefaultWriter() {
return buildWriter().withEncoding("UTF-8").withVersion("1.0")
.withPropertyIfSupported("com.ctc.wstx.outputEscapeCr", Boolean.FALSE).withFormatting(createFormatter());
}
private static StaxWriterBuilder buildDefaultWriter(OutputStream outputStream) {
return buildWriter().withEncoding("UTF-8").withVersion("1.0")
.withPropertyIfSupported("com.ctc.wstx.outputEscapeCr", Boolean.FALSE).withFormatting(createFormatter())
.withOutputStream(outputStream, "UTF-8");
}
private static final int DEFAULT_INDENT_SIZE = 3;
private static final char DEFAULT_INDENT_CHAR = ' ';
private static final String DEFAULT_NEWLINE;
static {
String newline = null;
try {
newline = System.getProperty("line.separator");
} catch (Throwable ignored) {
}
if (newline == null)
newline = "\n";
DEFAULT_NEWLINE = newline;
}
private StaxWriterUtils() {
}
}