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src/java.xml/share/classes/com/sun/org/apache/xml/internal/serializer/ToUnknownStream.java

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   1 /*
   2  * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Oct 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *     http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xml.internal.serializer;
  23 


  32 import org.w3c.dom.Node;
  33 import org.xml.sax.Attributes;
  34 import org.xml.sax.ContentHandler;
  35 import org.xml.sax.Locator;
  36 import org.xml.sax.SAXException;
  37 
  38 /**
  39  *This class wraps another SerializationHandler. The wrapped object will either
  40  * handler XML or HTML, which is not known until a little later when the first XML
  41  * tag is seen.  If the first tag is <html> then the wrapped object is an HTML
  42  * handler, otherwise it is an XML handler.
  43  *
  44  * This class effectively caches the first few calls to it then passes them
  45  * on to the wrapped handler (once it exists).  After that subsequent calls a
  46  * simply passed directly to the wrapped handler.
  47  *
  48  * The user of this class doesn't know if the output is ultimatley XML or HTML.
  49  *
  50  * This class is not a public API, it is public because it is used within Xalan.
  51  * @xsl.usage internal

  52  */
  53 public final class ToUnknownStream extends SerializerBase
  54 {
  55     /**
  56      * The wrapped handler, initially XML but possibly switched to HTML
  57      */
  58     private SerializationHandler m_handler;
  59 
  60     /**
  61      * A String with no characters
  62      */
  63     private static final String EMPTYSTRING = "";
  64 
  65     /**
  66      * true if the underlying handler (XML or HTML) is fully initialized
  67      */
  68     private boolean m_wrapped_handler_not_initialized = false;
  69 
  70     /**
  71      * the prefix of the very first tag in the document


   1 /*
   2  * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.

   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xml.internal.serializer;
  22 


  31 import org.w3c.dom.Node;
  32 import org.xml.sax.Attributes;
  33 import org.xml.sax.ContentHandler;
  34 import org.xml.sax.Locator;
  35 import org.xml.sax.SAXException;
  36 
  37 /**
  38  *This class wraps another SerializationHandler. The wrapped object will either
  39  * handler XML or HTML, which is not known until a little later when the first XML
  40  * tag is seen.  If the first tag is <html> then the wrapped object is an HTML
  41  * handler, otherwise it is an XML handler.
  42  *
  43  * This class effectively caches the first few calls to it then passes them
  44  * on to the wrapped handler (once it exists).  After that subsequent calls a
  45  * simply passed directly to the wrapped handler.
  46  *
  47  * The user of this class doesn't know if the output is ultimatley XML or HTML.
  48  *
  49  * This class is not a public API, it is public because it is used within Xalan.
  50  * @xsl.usage internal
  51  * @LastModified: Oct 2017
  52  */
  53 public final class ToUnknownStream extends SerializerBase
  54 {
  55     /**
  56      * The wrapped handler, initially XML but possibly switched to HTML
  57      */
  58     private SerializationHandler m_handler;
  59 
  60     /**
  61      * A String with no characters
  62      */
  63     private static final String EMPTYSTRING = "";
  64 
  65     /**
  66      * true if the underlying handler (XML or HTML) is fully initialized
  67      */
  68     private boolean m_wrapped_handler_not_initialized = false;
  69 
  70     /**
  71      * the prefix of the very first tag in the document


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