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1
48
49 package com.caucho.hessian.io;
50
51 import java.io.IOException  ;
52 import java.util.*;
53
54
57 public class CollectionDeserializer extends AbstractListDeserializer {
58 private Class _type;
59
60 public CollectionDeserializer(Class type)
61 {
62 _type = type;
63 }
64
65 public Class getType()
66 {
67 return _type;
68 }
69
70 public Object readList(AbstractHessianInput in, int length)
71 throws IOException
72 {
73 Collection list = null;
74
75 if (_type == null)
76 list = new ArrayList();
77 else if (! _type.isInterface()) {
78 try {
79 list = (Collection) _type.newInstance();
80 } catch (Exception e) {
81 }
82 }
83
84 if (list != null) {
85 }
86 else if (SortedSet.class.isAssignableFrom(_type))
87 list = new TreeSet();
88 else if (Set.class.isAssignableFrom(_type))
89 list = new HashSet();
90 else if (List.class.isAssignableFrom(_type))
91 list = new ArrayList();
92 else if (Collection.class.isAssignableFrom(_type))
93 list = new ArrayList();
94 else {
95 try {
96 list = (Collection) _type.newInstance();
97 } catch (Exception e) {
98 throw new IOExceptionWrapper(e);
99 }
100 }
101
102 in.addRef(list);
103
104 while (! in.isEnd())
105 list.add(in.readObject());
106
107 in.readEnd();
108
109 return list;
110 }
111 }
112
113
114
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Java API By Example, From Geeks To Geeks.