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/*
* @test
* @bug 8000354
* @summary Test
* @compile -XDignore.symbol.file CustomProvider.java MyXmlPropertiesProvider.java
* @run main/othervm -Dsun.util.spi.XmlPropertiesProvider=MyXmlPropertiesProvider CustomProvider
*/
import java.util.*;
import java.io.*;
/**
* Sanity test to verify that the property sun.util.spi.XmlPropertiesProvider
* can be used to specify a custom provider for loading/storing properties
* in XML format.
*/
public class CustomProvider {
public static void main(String[] args) throws IOException {
String provider = System.getProperty("sun.util.spi.XmlPropertiesProvider");
assertTrue(provider != null, "sun.util.spi.XmlPropertiesProvider not set");
OutputStream out = new ByteArrayOutputStream();
InputStream in = new ByteArrayInputStream(new byte[100]);
Properties props;
props = new Properties();
props.loadFromXML(in);
props = System.getProperties();
props.storeToXML(out, "comment");
props.storeToXML(out, "comment", "UTF-8");
// check that the provider's load and store methods have been invoked
assertTrue(MyXmlPropertiesProvider.createCount() == 1,
"Provider should only be created once");
assertTrue(MyXmlPropertiesProvider.loadCount() == 1,
"load method expected to be called once");
assertTrue(MyXmlPropertiesProvider.storeCount() == 2,
"store method expected to be called twice");
}
static void assertTrue(boolean b, String msg) {
if (!b) throw new RuntimeException(msg);
}
}