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20 package org.apache.hadoop.hbase.rest.model;
21
22 import java.io.IOException;
23 import java.io.Serializable;
24 import java.util.ArrayList;
25 import java.util.List;
26
27 import javax.xml.bind.annotation.XmlAccessType;
28 import javax.xml.bind.annotation.XmlAccessorType;
29 import javax.xml.bind.annotation.XmlElement;
30 import javax.xml.bind.annotation.XmlRootElement;
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32 import org.apache.hadoop.hbase.NamespaceDescriptor;
33 import org.apache.hadoop.hbase.classification.InterfaceAudience;
34 import org.apache.hadoop.hbase.client.Admin;
35 import org.apache.hadoop.hbase.rest.ProtobufMessageHandler;
36 import org.apache.hadoop.hbase.rest.protobuf.generated.NamespacesMessage.Namespaces;
37 import org.codehaus.jackson.annotate.JsonProperty;
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46 @XmlRootElement(name="Namespaces")
47 @XmlAccessorType(XmlAccessType.FIELD)
48 @InterfaceAudience.Private
49 public class NamespacesModel implements Serializable, ProtobufMessageHandler {
50
51 private static final long serialVersionUID = 1L;
52
53 @JsonProperty("Namespace")
54 @XmlElement(name="Namespace")
55 private List<String> namespaces = new ArrayList<String>();
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60 public NamespacesModel() {}
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67 public NamespacesModel(Admin admin) throws IOException {
68 NamespaceDescriptor[] nds = admin.listNamespaceDescriptors();
69 namespaces = new ArrayList<String>();
70 for (NamespaceDescriptor nd : nds) {
71 namespaces.add(nd.getName());
72 }
73 }
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78 public List<String> getNamespaces() {
79 return namespaces;
80 }
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85 public void setNamespaces(List<String> namespaces) {
86 this.namespaces = namespaces;
87 }
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92 @Override
93 public String toString() {
94 StringBuilder sb = new StringBuilder();
95 for (String namespace : namespaces) {
96 sb.append(namespace);
97 sb.append("\n");
98 }
99 return sb.toString();
100 }
101
102 @Override
103 public byte[] createProtobufOutput() {
104 Namespaces.Builder builder = Namespaces.newBuilder();
105 builder.addAllNamespace(namespaces);
106 return builder.build().toByteArray();
107 }
108
109 @Override
110 public ProtobufMessageHandler getObjectFromMessage(byte[] message) throws IOException {
111 Namespaces.Builder builder = Namespaces.newBuilder();
112 builder.mergeFrom(message);
113 namespaces = builder.getNamespaceList();
114 return this;
115 }
116 }