001 package org.codehaus.groovy.sandbox.markup;
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 }