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import java.io.OutputStream;
import java.io.PrintStream;
import org.netbeans.junit.NbTestCase;
import org.openide.filesystems.FileLock;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;

public class FsMimeResolverTest extends NbTestCase {

    public FsMimeResolverTest(String name) {
        super(name);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        clearWorkDir();
    }

    public void testResolveXmlFileWithoutFreemarkerTags() throws Exception {
        createResolver();

        String content = "<?xml version=\"1.0\" encoding=\"${project.encoding}\"?> "
                        + "<beans xmlns=\"http://www.springframework.org/schema/beans\" "
                        + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"></beans>";
        FileObject fo = createXmlFile(content);
        assertEquals("text/x-springconfig+xml", fo.getMIMEType());
    }

    public void testResolveXmlFileWithFreemarkerTags() throws Exception {
        createResolver();

        String content = "<?xml version=\"1.0\" encoding=\"${project.encoding}\"?>"
                        + "<beans xmlns=\"http://www.springframework.org/schema/beans\""
                        + "       xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
                        + "  <#list namespaces as namespace>"
                        + "    xmlns:${namespace.prefix}=\"${namespace.namespace}\""
                        + "  </#list>"
                        + "  <#if springVersion3??>"
                        + "    xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"
                        + "  <#else>"
                        + "    xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"
                        + "  </#if>"
                        + "  <#list namespaces as namespace>"
                        + "    <#if namespace.namespace != \"http://www.springframework.org/schema/p\">"
                        + "      ${namespace.namespace} ${namespace.namespace}/${namespace.fileName}"
                        + "    </#if>"
                        + "  </#list>\">"
                        + "</beans>";
        FileObject fo = createXmlFile(content);
        assertEquals("text/x-springconfig+xml", fo.getMIMEType());
    }

    private void createResolver() throws Exception {
        FileObject resolver = FileUtil.createData(FileUtil.getConfigRoot(), "Services/MIMEResolver/resolver.xml");
        OutputStream os = resolver.getOutputStream();
        PrintStream ps = new PrintStream(os);
        ps.println("<!DOCTYPE MIME-resolver PUBLIC '-//NetBeans//DTD MIME Resolver 1.0//EN' 'http://www.netbeans.org/dtds/mime-resolver-1_0.dtd'>");
        ps.println("<MIME-resolver>");
        ps.println(" <file>");
        ps.println("  <ext name=\"xml\"/>");
        ps.println("    <resolver mime=\"text/x-springconfig+xml\">");
        ps.println("      <xml-rule>");
        ps.println("        <element name=\"beans\" ns=\"http://www.springframework.org/schema/beans\"/>");
        ps.println("      </xml-rule>");
        ps.println("    </resolver>");
        ps.println(" </file>");
        ps.println("</MIME-resolver>");
        os.close();
    }

    private FileObject createXmlFile(String content) throws Exception {
        FileObject file = FileUtil.createMemoryFileSystem().getRoot().createData("file.xml");
        FileLock lock = file.lock ();
        try {
            OutputStream out = file.getOutputStream(lock);
            try {
                out.write(content.getBytes());
            } finally {
                out.close();
            }
        } finally {
            lock.releaseLock();
        }
        return file;
    }

}