001    package groovy.xml.streamingmarkupsupport;
002    /*
003    
004    Copyright 2004 (C) John Wilson. All Rights Reserved.
005    
006    Redistribution and use of this software and associated documentation
007    ("Software"), with or without modification, are permitted provided
008    that the following conditions are met:
009    
010    1. Redistributions of source code must retain copyright
011       statements and notices.  Redistributions must also contain a
012       copy of this document.
013    
014    2. Redistributions in binary form must reproduce the
015       above copyright notice, this list of conditions and the
016       following disclaimer in the documentation and/or other
017       materials provided with the distribution.
018    
019    3. The name "groovy" must not be used to endorse or promote
020       products derived from this Software without prior written
021       permission of The Codehaus.  For written permission,
022       please contact info@codehaus.org.
023    
024    4. Products derived from this Software may not be called "groovy"
025       nor may "groovy" appear in their names without prior written
026       permission of The Codehaus. "groovy" is a registered
027       trademark of The Codehaus.
028    
029    5. Due credit should be given to The Codehaus -
030       http://groovy.codehaus.org/
031    
032    THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033    ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034    NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
036    THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043    OF THE POSSIBILITY OF SUCH DAMAGE.
044    
045    */
046    
047    import groovy.lang.Closure;
048    import groovy.lang.GroovyObjectSupport;
049    
050    import java.util.HashMap;
051    import java.util.Iterator;
052    import java.util.List;
053    import java.util.Map;
054    
055    public abstract class Builder extends GroovyObjectSupport {
056            protected final Map namespaceMethodMap = new HashMap();
057            
058            public Builder(final Map namespaceMethodMap) {
059            final Iterator keyIterator = namespaceMethodMap.keySet().iterator();
060                    
061                    while (keyIterator.hasNext()) {
062                    final Object key = keyIterator.next();
063                    final List value = (List)namespaceMethodMap.get(key);
064                    final Closure dg = ((Closure)value.get(1)).asWritable();
065                    
066                            this.namespaceMethodMap.put(key, new Object[]{value.get(0), dg, fettleMethodMap(dg, (Map)value.get(2))});
067                    }
068            }
069            
070            private static Map fettleMethodMap(final Closure defaultGenerator, final Map methodMap) {
071            final Map newMethodMap = new HashMap();
072            final Iterator keyIterator = methodMap.keySet().iterator();
073                    
074                    while (keyIterator.hasNext()) {
075                    final Object key = keyIterator.next();
076                    final Object value = methodMap.get(key);
077                    
078                            if ((value instanceof Closure)) {
079                                    newMethodMap.put(key, value);
080                            } else {
081                                    newMethodMap.put(key, defaultGenerator.curry((Object[])value));
082                            }
083                    }
084                    
085                    return newMethodMap;
086            }
087            
088            abstract public Object bind(Closure root);
089            
090            protected static abstract class Built extends GroovyObjectSupport {
091            protected final Closure root;
092            protected final Map namespaceSpecificTags = new HashMap();
093                    
094                    public Built(final Closure root, final Map namespaceTagMap) {
095                            this.namespaceSpecificTags.putAll(namespaceTagMap);
096                    
097                            this.root = (Closure)root.clone();
098                            
099                            this.root.setDelegate(this);
100                    }
101            }
102    }