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Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family.
This new version of Xerces introduces the Xerces Native Interface (XNI), a complete framework for building
parser components and configurations that is extremely modular and easy to program. The Apache Xerces2 parser is
the reference implementation of XNI but other parser components, configurations, and parsers can be written
using the Xerces Native Interface. For complete design and implementation documents, refer to the XNI Manual.
Xerces2 is a fully conforming XML Schema 1.0 processor. A partial experimental implementation of the XML Schema
1.1 Structures and Datatypes Working Drafts (December 2009) and an experimental implementation of the XML Schema
Definition Language (XSD): Component Designators (SCD) Candidate Recommendation (January 2010) are provided for
evaluation. For more information, refer to the XML Schema page. Xerces2 also provides a complete implementation
of the Document Object Model Level 3 Core and Load/Save W3C Recommendations and provides a complete
implementation of the XML Inclusions (XInclude) W3C Recommendation. It also provides support for OASIS XML
Catalogs v1.1. Xerces2 is able to parse documents written according to the XML 1.1 Recommendation, except that
it does not yet provide an option to enable normalization checking as described in section 2.13 of this
specification. It also handles namespaces according to the XML Namespaces 1.1 Recommendation, and will correctly
serialize XML 1.1 documents if the DOM level 3 load/save APIs are in use.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.dom;
import java.io.OutputStream;
import java.io.Writer;
import org.w3c.dom.ls.LSOutput;
/**
* This class represents an output destination for data.
* This interface allows an application to encapsulate information about an
* output destination in a single object, which may include a URI, a byte stream
* (possibly with a specifiedencoding), a base URI, and/or a character stream.
* The exact definitions of a byte stream and a character stream are binding
* dependent.
* The application is expected to provide objects that implement this interface
* whenever such objects are needed. The application can either provide its
* own objects that implement this interface, or it can use the generic factory
* method DOMImplementationLS.createLSOutput() to create objects that
* implement this interface.
* The DOMSerializer will use the LSOutput object to determine where to
* serialize the output to. The DOMSerializer will look at the different
* outputs specified in the LSOutput in the following order to know which one
* to output to, the first one that data can be output to will be used:
* 1.LSOutput.characterStream
* 2.LSOutput.byteStream
* 3.LSOutput.systemId
* LSOutput objects belong to the application. The DOM implementation will
* never modify them (though it may make copies and modify the copies,
* if necessary).
*
* @xerces.internal
*
* @author Arun Yadav, Sun Microsytems
* @author Gopal Sharma, Sun Microsystems
**/
public class DOMOutputImpl implements LSOutput {
protected Writer fCharStream = null;
protected OutputStream fByteStream = null;
protected String fSystemId = null;
protected String fEncoding = null;
/**
* Default Constructor
*/
public DOMOutputImpl() {}
/**
* An attribute of a language and binding dependent type that represents a
* writable stream of bytes. If the application knows the character encoding
* of the byte stream, it should set the encoding attribute. Setting the
* encoding in this way will override any encoding specified in an XML
* declaration in the data.
*/
public Writer getCharacterStream(){
return fCharStream;
};
/**
* An attribute of a language and binding dependent type that represents a
* writable stream of bytes. If the application knows the character encoding
* of the byte stream, it should set the encoding attribute. Setting the
* encoding in this way will override any encoding specified in an XML
* declaration in the data.
*/
public void setCharacterStream(Writer characterStream){
fCharStream = characterStream;
};
/**
* Depending on the language binding in use, this attribute may not be
* available. An attribute of a language and binding dependent type that
* represents a writable stream to which 16-bit units can be output. The
* application must encode the stream using UTF-16 (defined in [Unicode] and
* Amendment 1 of [ISO/IEC 10646]).
*/
public OutputStream getByteStream(){
return fByteStream;
};
/**
* Depending on the language binding in use, this attribute may not be
* available. An attribute of a language and binding dependent type that
* represents a writable stream to which 16-bit units can be output. The
* application must encode the stream using UTF-16 (defined in [Unicode] and
* Amendment 1 of [ISO/IEC 10646]).
*/
public void setByteStream(OutputStream byteStream){
fByteStream = byteStream;
};
/**
* The system identifier, a URI reference [IETF RFC 2396], for this output
* destination. If the application knows the character encoding of the
* object pointed to by the system identifier, it can set the encoding
* using the encoding attribute. If the system ID is a relative URI
* reference (see section 5 in [IETF RFC 2396]), the behavior is
* implementation dependent.
*/
public String getSystemId(){
return fSystemId;
};
/**
* The system identifier, a URI reference [IETF RFC 2396], for this output
* destination. If the application knows the character encoding of the
* object pointed to by the system identifier, it can set the encoding
* using the encoding attribute. If the system ID is a relative URI
* reference (see section 5 in [IETF RFC 2396]), the behavior is
* implementation dependent.
*/
public void setSystemId(String systemId){
fSystemId = systemId;
};
/**
* The character encoding, if known. The encoding must be a string
* acceptable for an XML encoding declaration ([XML 1.0] section 4.3.3
* "Character Encoding in Entities"). This attribute has no effect when the
* application provides a character stream or string data. For other sources
* of input, an encoding specified by means of this attribute will override
* any encoding specified in the XML declaration or the Text declaration, or
* an encoding obtained from a higher level protocol, such as HTTP
* [IETF RFC 2616].
*/
public String getEncoding(){
return fEncoding;
};
/**
* The character encoding, if known. The encoding must be a string
* acceptable for an XML encoding declaration ([XML 1.0] section 4.3.3
* "Character Encoding in Entities"). This attribute has no effect when the
* application provides a character stream or string data. For other sources
* of input, an encoding specified by means of this attribute will override
* any encoding specified in the XML declaration or the Text declaration, or
* an encoding obtained from a higher level protocol, such as HTTP
* [IETF RFC 2616].
*/
public void setEncoding(String encoding){
fEncoding = encoding;
};
}//DOMOutputImpl