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/*
Derby - Class org.apache.derbyTesting.functionTests.tests.store.TestRoutines
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.derbyTesting.functionTests.util;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.sql.*;
import java.io.*;
/**
Utility methods for tests routines, in order to bring some consistency to test output.
Any routines added here should be general purpose in nature, not specific to
a single test.
Add a public static method for the test and then add its creation as a procedure
or function in installRoutines.
*/
public class TestRoutines {
/**
A single procedure to create all the routines in this file.
The script to run this is in testRoutines.sql
*/
public static void installRoutines() throws SQLException {
Connection conn = DriverManager.getConnection("jdbc:default:connection");
TestRoutines.installRoutines(conn);
}
/**
Easy way to install all the routines from a Java test program.
Just call with a valid connection.
org.apache.derbyTesting.functionTests.util.TestRoutines.installRoutines(conn);
*/
public static void installRoutines(Connection conn) throws SQLException {
Statement s = conn.createStatement();
// setSystemProperty
s.execute("CREATE PROCEDURE TESTROUTINE.SET_SYSTEM_PROPERTY(IN PROPERTY_KEY VARCHAR(32000), IN PROPERTY_VALUE VARCHAR(32000)) NO SQL EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.TestRoutines.setSystemProperty' language java parameter style java");
// sleep
s.execute("CREATE PROCEDURE TESTROUTINE.SLEEP(IN SLEEP_TIME_MS BIGINT) NO SQL EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.TestRoutines.sleep' language java parameter style java");
s.execute("CREATE FUNCTION TESTROUTINE.HAS_SECURITY_MANAGER() RETURNS INT NO SQL EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.TestRoutines.hasSecurityManager' language java parameter style java");
s.execute("CREATE FUNCTION TESTROUTINE.READ_FILE(FILE_NAME VARCHAR(60), ENCODING VARCHAR(60)) RETURNS VARCHAR(32000) NO SQL EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.TestRoutines.readFile' language java parameter style java");
s.close();
}
/**
TESTROUTINE.SET_SYSTEM_PROPERTY(IN PROPERTY_KEY VARCHAR(32000), IN PROPERTY_VALUE VARCHAR(32000))
Set a system property
*/
public static void setSystemProperty(final String key, final String value) {
// needs to run in a privileged block as it will be
// called through a SQL statement and thus a generated
// class. The generated class on the stack has no permissions
// granted to it.
AccessController.doPrivileged(new PrivilegedAction<Void>() {
public Void run() {
System.setProperty(key, value);
return null; // nothing to return
}
});
}
/**
TESTROUTINE.SLEEP(IN TIME_MS BIGINT)
Sleep for a number of milli-seconds.
*/
public static void sleep(long ms) throws InterruptedException {
Thread.sleep(ms);
}
/**
* TESTROUTINE.HAS_SECURITY_MANAGER()
* @return 0 if no security manager is installed, 1 if one is.
*/
public static int hasSecurityManager()
{
return System.getSecurityManager() == null ? 0 : 1;
}
/**
TESTROUTINE.READ_FILE(FILE_NAME VARCHAR(60), ENCODING VARCHAR(60)) RETURNS VARCHAR(32000)
Read a file using the passed in encoding display its contents
as ASCII with unicode esacpes..
* @throws PrivilegedActionException
* @throws IOException
*/
public static String readFile(final String fileName, final String encoding)
throws PrivilegedActionException, IOException
{
// needs to run in a privileged block as it will be
// called through a SQL statement and thus a generated
// class. The generated class on the stack has no permissions
// granted to it.
FileInputStream fin = AccessController.doPrivileged(
new PrivilegedExceptionAction<FileInputStream>() {
public FileInputStream run() throws FileNotFoundException {
return new FileInputStream(fileName); // nothing to return
}
});
InputStreamReader isr = new InputStreamReader(
new BufferedInputStream(fin, 32*1024), encoding);
StringBuffer sb = new StringBuffer();
for (;;)
{
int ci = isr.read();
if (ci < 0)
break;
if (ci <= 0x7f)
{
sb.append((char) ci);
}
else
{
sb.append("\\u");
String hex = Integer.toHexString(ci);
switch (hex.length())
{
case 2:
sb.append("00");
break;
case 3:
sb.append("0");
break;
}
sb.append(hex);
}
}
return sb.toString();
}
}
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