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1   /*
2    * Copyright 2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */ 
16  
17  package org.apache.commons.betwixt.schema;
18  
19  import java.beans.IntrospectionException;
20  import java.util.Iterator;
21  import java.util.Collection;
22  
23  import org.apache.commons.betwixt.ElementDescriptor;
24  
25  /***
26   * Models a <code>complexType</code> from an XML schema.
27   * A complex type may contain element content and may have attributes.
28   * @author <a href='http://jakarta.apache.org/'>Jakarta Commons Team</a>
29   * @version $Revision: 190515 $
30   */
31  public class GlobalComplexType extends ComplexType {
32  	
33  	private String name;
34  	
35  	public GlobalComplexType() {}
36      
37      /***
38       * Constructs a new ComplexType from the descriptor given.
39       * @param elementDescriptor
40       */
41      public GlobalComplexType(TranscriptionConfiguration configuration, ElementDescriptor elementDescriptor, Schema schema) throws IntrospectionException {
42          super(configuration, elementDescriptor, schema);    
43      }
44  
45      protected void init(TranscriptionConfiguration configuration, ElementDescriptor elementDescriptor, Schema schema) throws IntrospectionException {
46          setName(nameFromDescriptor( elementDescriptor ));
47      }
48  
49      /***
50       * Fills the complex type description.
51       * @since 0.7
52       * @param configuration
53       * @param elementDescriptor
54       * @param schema
55       * @throws IntrospectionException
56       */
57      protected void fill(TranscriptionConfiguration configuration, ElementDescriptor elementDescriptor, Schema schema) throws IntrospectionException
58      {
59          elementDescriptor = fillDescriptor(elementDescriptor, schema);
60          super.init(configuration, elementDescriptor, schema);
61      }
62      
63      private String nameFromDescriptor( ElementDescriptor elementDescriptor ) {
64          return elementDescriptor.getPropertyType().getName();
65      }
66      
67      /***
68       * Does the given element descriptor match this complex type?
69       * @since 0.7
70       * @param elementDescriptor
71       * @return true if the descriptor matches
72       */
73      public boolean matches(ElementDescriptor elementDescriptor) {
74          String nameFromDescriptor = nameFromDescriptor ( elementDescriptor );
75          return nameFromDescriptor.equals(getName());
76      }
77      
78  	/***
79       * Gets the name of this type.
80       * @return the name of this type
81       */
82      public String getName() {
83          return name;
84      }
85  
86      /***
87       * Sets the name of this type.
88       * @param string
89       */
90      public void setName(String string) {
91          name = string;
92      }
93  
94      public boolean equals(Object obj) {
95            boolean result = false;
96            if (obj instanceof GlobalComplexType) {
97                GlobalComplexType complexType = (GlobalComplexType) obj;
98                result =  isEqual(name, complexType.name) &&
99                          equalContents(attributes, complexType.attributes) &&
100                         equalContents(elements, complexType.elements);
101                                    
102           }
103           return result;
104       }
105 
106     public int hashCode() {
107         return 0;
108     }
109     
110     private boolean equalContents(Collection one, Collection two)
111     {
112         // doesn't check cardinality but should be ok
113         if (one.size() != two.size()) {
114             return false;
115         }
116         for (Iterator it=one.iterator();it.hasNext();) {
117             Object object = it.next();
118             if (!two.contains(object)) {
119                 return false;
120             }
121         }
122         return true;
123     }
124 
125       /***
126        * Null safe equals method
127        * @param one
128        * @param two
129        * @return
130        */
131       private boolean isEqual(String one, String two) {
132           boolean result = false;
133           if (one == null) {
134               result = (two == null); 
135           }
136           else
137           {
138               result = one.equals(two);
139           }
140         
141           return result;
142       }
143       
144       public String toString() {
145           StringBuffer buffer = new StringBuffer();
146           buffer.append("<xsd:complexType name='");
147           buffer.append(name);
148           buffer.append("'>");
149           buffer.append("<xsd:sequence>");
150           for (Iterator it=elements.iterator(); it.hasNext();) {
151                 buffer.append(it.next());    
152           }
153           buffer.append("</xsd:sequence>");
154           
155           for (Iterator it=attributes.iterator(); it.hasNext();) {
156                 buffer.append(it.next());    
157           }
158           buffer.append("</xsd:complexType>");
159           return buffer.toString();
160       }
161 }