jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/C14nXmlOutput.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/C14nXmlOutput.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/C14nXmlOutput.java

Thu, 12 Oct 2017 19:44:07 +0800

author: aoqi
date: Thu, 12 Oct 2017 19:44:07 +0800
changeset 760: e530533619ec
parent 0: 373ffda63c9a
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code 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 General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.xml.internal.bind.v2.runtime.output;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.Arrays;
 import java.util.Collections;
 import com.sun.xml.internal.bind.api.JAXBRIContext;
 import com.sun.xml.internal.bind.v2.runtime.Name;
 import com.sun.istack.internal.FinalArrayList;
 import com.sun.xml.internal.bind.marshaller.CharacterEscapeHandler;
 /**
  * {@link XmlOutput} that generates canonical XML.
  *
  * @see com.sun.xml.internal.bind.api.C14nSupport_ArchitectureDocument
  * @author Kohsuke Kawaguchi
  */
 public class C14nXmlOutput extends UTF8XmlOutput {
     public C14nXmlOutput(OutputStream out, Encoded[] localNames, boolean namedAttributesAreOrdered, CharacterEscapeHandler escapeHandler) {
         super(out, localNames, escapeHandler);
         this.namedAttributesAreOrdered = namedAttributesAreOrdered;
         for( int i=0; i<staticAttributes.length; i++ )
             staticAttributes[i] = new StaticAttribute();
     }
     /**
      * Hosts statically known attributes.
      *
      * {@link StaticAttribute} instances are reused.
      */
     private StaticAttribute[] staticAttributes = new StaticAttribute[8];
     private int len = 0;
     /**
      * Used to sort namespace declarations. Reused.
      */
     private int[] nsBuf = new int[8];
     /**
      * Hosts other attributes whose name are not statically known
      * (AKA attribute wildcard.)
      *
      * As long as this map is empty, there's no need for sorting.
      * see {@link com.sun.xml.internal.bind.api.C14nSupport_ArchitectureDocument} for more details.
      */
     private final FinalArrayList<DynamicAttribute> otherAttributes = new FinalArrayList<DynamicAttribute>();
     /**
      * True if {@link JAXBRIContext} is created with c14n support on,
      * in which case all named attributes are sorted by the marshaller
      * and we won't have to do it here.
      */
     private final boolean namedAttributesAreOrdered;
     final class StaticAttribute implements Comparable<StaticAttribute> {
         Name name;
         String value;
         public void set(Name name, String value) {
             this.name = name;
             this.value = value;
         }
         void write() throws IOException {
             C14nXmlOutput.super.attribute(name,value);
         }
         DynamicAttribute toDynamicAttribute() {
             int nsUriIndex = name.nsUriIndex;
             int prefix;
             if(nsUriIndex==-1)
                 prefix = -1;
             else
                 prefix = nsUriIndex2prefixIndex[nsUriIndex];
             return new DynamicAttribute(
                 prefix, name.localName, value );
         }
         public int compareTo(StaticAttribute that) {
             return this.name.compareTo(that.name);
         }
     }
     final class DynamicAttribute implements Comparable<DynamicAttribute> {
         final int prefix;
         final String localName;
         final String value;
         public DynamicAttribute(int prefix, String localName, String value) {
             this.prefix = prefix;
             this.localName = localName;
             this.value = value;
         }
         private String getURI() {
             if(prefix==-1)  return "";
             else            return nsContext.getNamespaceURI(prefix);
         }
         public int compareTo(DynamicAttribute that) {
             int r = this.getURI().compareTo(that.getURI());
             if(r!=0)    return r;
             return this.localName.compareTo(that.localName);
         }
     }
     @Override
     public void attribute(Name name, String value) throws IOException {
         if(staticAttributes.length==len) {
             // reallocate
             int newLen = len*2;
             StaticAttribute[] newbuf = new StaticAttribute[newLen];
             System.arraycopy(staticAttributes,0,newbuf,0,len);
             for(int i=len;i<newLen;i++)
                 staticAttributes[i] = new StaticAttribute();
             staticAttributes = newbuf;
         }
         staticAttributes[len++].set(name,value);
     }
     @Override
     public void attribute(int prefix, String localName, String value) throws IOException {
         otherAttributes.add(new DynamicAttribute(prefix,localName,value));
     }
     @Override
     public void endStartTag() throws IOException {
         if(otherAttributes.isEmpty()) {
             if(len!=0) {
                 // sort is expensive even for size 0 array,
                 // so it's worth checking len==0
                 if(!namedAttributesAreOrdered)
                     Arrays.sort(staticAttributes,0,len);
                 // this is the common case
                 for( int i=0; i<len; i++ )
                     staticAttributes[i].write();
                 len = 0;
             }
         } else {
             // this is the exceptional case
             // sort all the attributes, not just the other attributes
             for( int i=0; i<len; i++ )
                 otherAttributes.add(staticAttributes[i].toDynamicAttribute());
             len = 0;
             Collections.sort(otherAttributes);
             // write them all
             int size = otherAttributes.size();
             for( int i=0; i<size; i++ ) {
                 DynamicAttribute a = otherAttributes.get(i);
                 super.attribute(a.prefix,a.localName,a.value);
             }
             otherAttributes.clear();
         }
         super.endStartTag();
     }
     /**
      * Write namespace declarations after sorting them.
      */
     @Override
     protected void writeNsDecls(int base) throws IOException {
         int count = nsContext.getCurrent().count();
         if(count==0)
             return; // quickly reject the most common case
         if(count>nsBuf.length)
             nsBuf = new int[count];
         for( int i=count-1; i>=0; i-- )
             nsBuf[i] = base+i;
         // do a bubble sort. Hopefully # of ns decls are small enough to justify bubble sort.
         // faster algorithm is more compliated to implement
         for( int i=0; i<count; i++ ) {
             for( int j=i+1; j<count; j++ ) {
                 String p = nsContext.getPrefix(nsBuf[i]);
                 String q = nsContext.getPrefix(nsBuf[j]);
                 if( p.compareTo(q) > 0 ) {
                     // swap
                     int t = nsBuf[j];
                     nsBuf[j] = nsBuf[i];
                     nsBuf[i] = t;
                 }
             }
         }
         // write them out
         for( int i=0; i<count; i++ )
             writeNsDecl(nsBuf[i]);
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/C14nXmlOutput.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/C14nXmlOutput.java