File: AbstractJdbc4Connection.java

package info (click to toggle)
libpgjava 9.2-1002-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 4,308 kB
  • ctags: 4,503
  • sloc: java: 37,623; xml: 3,376; makefile: 22; sh: 10
file content (248 lines) | stat: -rw-r--r-- 8,441 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2011, PostgreSQL Global Development Group
*
*
*-------------------------------------------------------------------------
*/
package org.postgresql.jdbc4;

import java.sql.*;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Properties;
import java.util.concurrent.Executor;

import org.postgresql.core.Oid;
import org.postgresql.core.Utils;
import org.postgresql.core.TypeInfo;
import org.postgresql.util.GT;
import org.postgresql.util.HostSpec;
import org.postgresql.util.PSQLState;
import org.postgresql.util.PSQLException;
import org.postgresql.jdbc2.AbstractJdbc2Array;

abstract class AbstractJdbc4Connection extends org.postgresql.jdbc3g.AbstractJdbc3gConnection
{
    private final Properties _clientInfo;

    public AbstractJdbc4Connection(HostSpec[] hostSpecs, String user, String database, Properties info, String url) throws SQLException {
        super(hostSpecs, user, database, info, url);

        TypeInfo types = getTypeInfo();
        if (haveMinimumServerVersion("8.3")) {
            types.addCoreType("xml", Oid.XML, java.sql.Types.SQLXML, "java.sql.SQLXML", Oid.XML_ARRAY);
        }

        _clientInfo = new Properties();
        if (haveMinimumServerVersion("9.0")) {
            String appName = info.getProperty("ApplicationName");
            if (appName == null) {
                appName = "";
            }
            _clientInfo.put("ApplicationName", appName);
        }
    }

    public Clob createClob() throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "createClob()");
    }

    public Blob createBlob() throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "createBlob()");
    }

    public NClob createNClob() throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "createNClob()");
    }

    public SQLXML createSQLXML() throws SQLException
    {
        checkClosed();
        return new Jdbc4SQLXML(this);
    }

    public Struct createStruct(String typeName, Object[] attributes) throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "createStruct(String, Object[])");
    }

    public Array createArrayOf(String typeName, Object[] elements) throws SQLException
    {
        checkClosed();
        int oid = getTypeInfo().getPGArrayType(typeName);
        if (oid == Oid.UNSPECIFIED)
            throw new PSQLException(GT.tr("Unable to find server array type for provided name {0}.", typeName), PSQLState.INVALID_NAME);

        StringBuffer sb = new StringBuffer();
        appendArray(sb, elements);

        // This will not work once we have a JDBC 5,
        // but it'll do for now.
        return new Jdbc4Array(this, oid, sb.toString());
    }

    private static void appendArray(StringBuffer sb, Object elements)
    {
        sb.append('{');

        int nElements = java.lang.reflect.Array.getLength(elements);
        for (int i=0; i<nElements; i++) {
            if (i > 0) {
                sb.append(',');
            }

            Object o = java.lang.reflect.Array.get(elements, i);
            if (o == null) {
                sb.append("NULL");
            } else if (o.getClass().isArray()) {
                appendArray(sb, o);
            } else {
                String s = o.toString();
                AbstractJdbc2Array.escapeArrayElement(sb, s);
            }
        }
        sb.append('}');
    }

    public boolean isValid(int timeout) throws SQLException
    {
        checkClosed();
    	if (timeout < 0) {
            throw new PSQLException(GT.tr("Invalid timeout ({0}<0).", timeout), PSQLState.INVALID_PARAMETER_VALUE);
        }
    	boolean valid = false;
	    Statement stmt = null;
    	try {
    		if (!isClosed()) {
            	stmt = createStatement();
            	stmt.setQueryTimeout( timeout );
            	stmt.executeQuery( "SELECT 1" );
            	valid = true;
    	    }
    	}
    	catch ( SQLException e) {
    		getLogger().log(GT.tr("Validating connection."),e);
    	}
    	finally
    	{
    		if(stmt!=null) try {stmt.close();}catch(Exception ex){}
    	}
        return valid;    
}

    public void setClientInfo(String name, String value) throws SQLClientInfoException
    {
        if (haveMinimumServerVersion("9.0") && "ApplicationName".equals(name)) {
            if (value == null)
                value = "";

            try {
                StringBuffer sql = new StringBuffer("SET application_name = '");
                Utils.appendEscapedLiteral(sql, value, getStandardConformingStrings());
                sql.append("'");
                execSQLUpdate(sql.toString());
            } catch (SQLException sqle) {
                Map<String, ClientInfoStatus> failures = new HashMap<String, ClientInfoStatus>();
                failures.put(name, ClientInfoStatus.REASON_UNKNOWN);
                throw new SQLClientInfoException(GT.tr("Failed to set ClientInfo property: {0}", "ApplicationName"), sqle.getSQLState(), failures, sqle);
            }

            _clientInfo.put(name, value);
            return;
        }

        Map<String, ClientInfoStatus> failures = new HashMap<String, ClientInfoStatus>();
        failures.put(name, ClientInfoStatus.REASON_UNKNOWN_PROPERTY);
        throw new SQLClientInfoException(GT.tr("ClientInfo property not supported."), PSQLState.NOT_IMPLEMENTED.getState(), failures);
    }

    public void setClientInfo(Properties properties) throws SQLClientInfoException
    {
        if (properties == null || properties.size() == 0)
            return;

        Map<String, ClientInfoStatus> failures = new HashMap<String, ClientInfoStatus>();

        Iterator<String> i = properties.stringPropertyNames().iterator();
        while (i.hasNext()) {
            String name = i.next();
            if (haveMinimumServerVersion("9.0") && "ApplicationName".equals(name)) {
                String value = properties.getProperty(name);
                setClientInfo(name, value);
            } else {
                failures.put(i.next(), ClientInfoStatus.REASON_UNKNOWN_PROPERTY);
            }
        }

        if (!failures.isEmpty())
            throw new SQLClientInfoException(GT.tr("ClientInfo property not supported."), PSQLState.NOT_IMPLEMENTED.getState(), failures);
    }

    public String getClientInfo(String name) throws SQLException
    {
        checkClosed();
        return _clientInfo.getProperty(name);
    }

    public Properties getClientInfo() throws SQLException
    {
        checkClosed();
        return _clientInfo;
    }

    public <T> T createQueryObject(Class<T> ifc) throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "createQueryObject(Class<T>)");
    }

    public boolean isWrapperFor(Class<?> iface) throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "isWrapperFor(Class<?>)");
    }

    public <T> T unwrap(Class<T> iface) throws SQLException
    {
        checkClosed();
        throw org.postgresql.Driver.notImplemented(this.getClass(), "unwrap(Class<T>)");
    }

    public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException
    {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "getParentLogger()");
    }

    public void setSchema(String schema) throws SQLException
    {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "setSchema(String)");
    }

    public String getSchema() throws SQLException
    {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "getSchema()");
    }

    public void abort(Executor executor) throws SQLException
    {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "abort(Executor)");
    }

    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "setNetworkTimeout(Executor, int)");
    }

    public int getNetworkTimeout() throws SQLException {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "getNetworkTimeout()");
    }

}