Java Code Examples for com.sun.org.apache.xalan.internal.utils.SecuritySupport#getSystemProperty()

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    is.defaultReadObject();
    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

private InputStream openEncodingsFileStream() throws MalformedURLException, IOException {
    String urlString = null;
    InputStream is = null;

    try {
        urlString = SecuritySupport.getSystemProperty(ENCODINGS_PROP, "");
    } catch (SecurityException e) {
    }

    if (urlString != null && urlString.length() > 0) {
        URL url = new URL(urlString);
        is = url.openStream();
    }

    if (is == null) {
        is = SecuritySupport.getResourceAsStream(ENCODINGS_FILE);
    }
    return is;
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    is.defaultReadObject();
    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

public static boolean isJavaVersionAtLeast(int compareTo) {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");
    String versions[] = javaVersion.split("\\.", 3);
    if (Integer.parseInt(versions[0]) >= compareTo ||
        Integer.parseInt(versions[1]) >= compareTo) {
        return true;
    }
    return false;
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
@SuppressWarnings("unchecked")
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    // We have to read serialized fields first.
    ObjectInputStream.GetField gf = is.readFields();
    _name = (String)gf.get("_name", null);
    _bytecodes = (byte[][])gf.get("_bytecodes", null);
    _class = (Class[])gf.get("_class", null);
    _transletIndex = gf.get("_transletIndex", -1);

    _outputProperties = (Properties)gf.get("_outputProperties", null);
    _indentNumber = gf.get("_indentNumber", 0);

    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

public static boolean isJavaVersionAtLeast(int compareTo) {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");
    String versions[] = javaVersion.split("\\.", 3);
    if (Integer.parseInt(versions[0]) >= compareTo ||
        Integer.parseInt(versions[1]) >= compareTo) {
        return true;
    }
    return false;
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
@SuppressWarnings("unchecked")
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    // We have to read serialized fields first.
    ObjectInputStream.GetField gf = is.readFields();
    _name = (String)gf.get("_name", null);
    _bytecodes = (byte[][])gf.get("_bytecodes", null);
    _class = (Class[])gf.get("_class", null);
    _transletIndex = gf.get("_transletIndex", -1);

    _outputProperties = (Properties)gf.get("_outputProperties", null);
    _indentNumber = gf.get("_indentNumber", 0);

    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
@SuppressWarnings("unchecked")
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    // We have to read serialized fields first.
    ObjectInputStream.GetField gf = is.readFields();
    _name = (String)gf.get("_name", null);
    _bytecodes = (byte[][])gf.get("_bytecodes", null);
    _class = (Class[])gf.get("_class", null);
    _transletIndex = gf.get("_transletIndex", -1);

    _outputProperties = (Properties)gf.get("_outputProperties", null);
    _indentNumber = gf.get("_indentNumber", 0);

    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

public static boolean isJavaVersionAtLeast(int compareTo) {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");
    String versions[] = javaVersion.split("\\.", 3);
    if (Integer.parseInt(versions[0]) >= compareTo ||
        Integer.parseInt(versions[1]) >= compareTo) {
        return true;
    }
    return false;
}
 

/**
 *  Overrides the default readObject implementation since we decided
 *  it would be cleaner not to serialize the entire tranformer
 *  factory.  [ ref bugzilla 12317 ]
 *  We need to check if the user defined class for URIResolver also
 *  implemented Serializable
 *  if yes then we need to deserialize the URIResolver
 *  Fix for bugzilla bug 22438
 */
@SuppressWarnings("unchecked")
private void  readObject(ObjectInputStream is)
  throws IOException, ClassNotFoundException
{
    SecurityManager security = System.getSecurityManager();
    if (security != null){
        String temp = SecuritySupport.getSystemProperty(DESERIALIZE_TRANSLET);
        if (temp == null || !(temp.length()==0 || temp.equalsIgnoreCase("true"))) {
            ErrorMsg err = new ErrorMsg(ErrorMsg.DESERIALIZE_TRANSLET_ERR);
            throw new UnsupportedOperationException(err.toString());
        }
    }

    // We have to read serialized fields first.
    ObjectInputStream.GetField gf = is.readFields();
    _name = (String)gf.get("_name", null);
    _bytecodes = (byte[][])gf.get("_bytecodes", null);
    _class = (Class[])gf.get("_class", null);
    _transletIndex = gf.get("_transletIndex", -1);

    _outputProperties = (Properties)gf.get("_outputProperties", null);
    _indentNumber = gf.get("_indentNumber", 0);

    if (is.readBoolean()) {
        _uriResolver = (URIResolver) is.readObject();
    }

    _tfactory = new TransformerFactoryImpl();
}
 

public static boolean isJavaVersionAtLeast(int compareTo) {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");
    String versions[] = javaVersion.split("\\.", 3);
    if (Integer.parseInt(versions[0]) >= compareTo ||
        Integer.parseInt(versions[1]) >= compareTo) {
        return true;
    }
    return false;
}
 

/**
 * Get the proper mime encoding.  From the XSLT recommendation: "The encoding
 * attribute specifies the preferred encoding to use for outputting the result
 * tree. XSLT processors are required to respect values of UTF-8 and UTF-16.
 * For other values, if the XSLT processor does not support the specified
 * encoding it may signal an error; if it does not signal an error it should
 * use UTF-8 or UTF-16 instead. The XSLT processor must not use an encoding
 * whose name does not match the EncName production of the XML Recommendation
 * [XML]. If no encoding attribute is specified, then the XSLT processor should
 * use either UTF-8 or UTF-16."
 *
 * @param encoding Reference to java-style encoding string, which may be null,
 * in which case a default will be found.
 *
 * @return The ISO-style encoding string, or null if failure.
 */
static String getMimeEncoding(String encoding)
{

    if (null == encoding)
    {
        try
        {

            // Get the default system character encoding.  This may be
            // incorrect if they passed in a writer, but right now there
            // seems to be no way to get the encoding from a writer.
            encoding = SecuritySupport.getSystemProperty("file.encoding", "UTF8");

            if (null != encoding)
            {

                /*
                * See if the mime type is equal to UTF8.  If you don't
                * do that, then  convertJava2MimeEncoding will convert
                * 8859_1 to "ISO-8859-1", which is not what we want,
                * I think, and I don't think I want to alter the tables
                * to convert everything to UTF-8.
                */
                String jencoding =
                    (encoding.equalsIgnoreCase("Cp1252")
                        || encoding.equalsIgnoreCase("ISO8859_1")
                        || encoding.equalsIgnoreCase("8859_1")
                        || encoding.equalsIgnoreCase("UTF8"))
                        ? DEFAULT_MIME_ENCODING
                        : convertJava2MimeEncoding(encoding);

                encoding =
                    (null != jencoding) ? jencoding : DEFAULT_MIME_ENCODING;
            }
            else
            {
                encoding = DEFAULT_MIME_ENCODING;
            }
        }
        catch (SecurityException se)
        {
            encoding = DEFAULT_MIME_ENCODING;
        }
    }
    else
    {
        encoding = convertJava2MimeEncoding(encoding);
    }

    return encoding;
}
 

/**
 * Get the proper mime encoding.  From the XSLT recommendation: "The encoding
 * attribute specifies the preferred encoding to use for outputting the result
 * tree. XSLT processors are required to respect values of UTF-8 and UTF-16.
 * For other values, if the XSLT processor does not support the specified
 * encoding it may signal an error; if it does not signal an error it should
 * use UTF-8 or UTF-16 instead. The XSLT processor must not use an encoding
 * whose name does not match the EncName production of the XML Recommendation
 * [XML]. If no encoding attribute is specified, then the XSLT processor should
 * use either UTF-8 or UTF-16."
 *
 * @param encoding Reference to java-style encoding string, which may be null,
 * in which case a default will be found.
 *
 * @return The ISO-style encoding string, or null if failure.
 */
static String getMimeEncoding(String encoding)
{

    if (null == encoding)
    {
        try
        {

            // Get the default system character encoding.  This may be
            // incorrect if they passed in a writer, but right now there
            // seems to be no way to get the encoding from a writer.
            encoding = SecuritySupport.getSystemProperty("file.encoding", "UTF8");

            if (null != encoding)
            {

                /*
                * See if the mime type is equal to UTF8.  If you don't
                * do that, then  convertJava2MimeEncoding will convert
                * 8859_1 to "ISO-8859-1", which is not what we want,
                * I think, and I don't think I want to alter the tables
                * to convert everything to UTF-8.
                */
                String jencoding =
                    (encoding.equalsIgnoreCase("Cp1252")
                        || encoding.equalsIgnoreCase("ISO8859_1")
                        || encoding.equalsIgnoreCase("8859_1")
                        || encoding.equalsIgnoreCase("UTF8"))
                        ? DEFAULT_MIME_ENCODING
                        : convertJava2MimeEncoding(encoding);

                encoding =
                    (null != jencoding) ? jencoding : DEFAULT_MIME_ENCODING;
            }
            else
            {
                encoding = DEFAULT_MIME_ENCODING;
            }
        }
        catch (SecurityException se)
        {
            encoding = DEFAULT_MIME_ENCODING;
        }
    }
    else
    {
        encoding = convertJava2MimeEncoding(encoding);
    }

    return encoding;
}
 

/**
 * Fillin hash with info about SystemProperties.
 *
 * Logs java.class.path and other likely paths; then attempts
 * to search those paths for .jar files with Xalan-related classes.
 *
 * //@todo NOTE: We don't actually search java.ext.dirs for
 * //  *.jar files therein! This should be updated
 *
 * @param h Map to put information in
 * @see #jarNames
 * @see #checkPathForJars(String, String[])
 */
protected void checkSystemProperties(Map<String, Object> h)
{

  if (null == h)
    h = new HashMap<>();

  // Grab java version for later use
  try
  {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");

    h.put("java.version", javaVersion);
  }
  catch (SecurityException se)
  {

    // For applet context, etc.
    h.put(
      "java.version",
      "WARNING: SecurityException thrown accessing system version properties");
  }

  // Printout jar files on classpath(s) that may affect operation
  //  Do this in order
  try
  {

    // This is present in all JVM's
    String cp = SecuritySupport.getSystemProperty("java.class.path");

    h.put("java.class.path", cp);

    List<Map> classpathJars = checkPathForJars(cp, jarNames);

    if (null != classpathJars) {
        h.put(FOUNDCLASSES + "java.class.path", classpathJars);
    }

    // Also check for JDK 1.2+ type classpaths
    String othercp = SecuritySupport.getSystemProperty("sun.boot.class.path");

    if (null != othercp) {
        h.put("sun.boot.class.path", othercp);
        classpathJars = checkPathForJars(othercp, jarNames);

        if (null != classpathJars) {
            h.put(FOUNDCLASSES + "sun.boot.class.path", classpathJars);
        }
    }

    //@todo NOTE: We don't actually search java.ext.dirs for
    //  *.jar files therein! This should be updated
    othercp = SecuritySupport.getSystemProperty("java.ext.dirs");

    if (null != othercp)
    {
      h.put("java.ext.dirs", othercp);

      classpathJars = checkPathForJars(othercp, jarNames);

      if (null != classpathJars)
        h.put(FOUNDCLASSES + "java.ext.dirs", classpathJars);
    }

    //@todo also check other System properties' paths?
    //  v2 = checkPathForJars(System.getProperty("sun.boot.library.path"), jarNames);   // ?? may not be needed
    //  v3 = checkPathForJars(System.getProperty("java.library.path"), jarNames);   // ?? may not be needed
  }
  catch (SecurityException se2)
  {
    // For applet context, etc.
    h.put(
      "java.class.path",
      "WARNING: SecurityException thrown accessing system classpath properties");
  }
}
 

/**
 * Fillin hash with info about SystemProperties.
 *
 * Logs java.class.path and other likely paths; then attempts
 * to search those paths for .jar files with Xalan-related classes.
 *
 * //@todo NOTE: We don't actually search java.ext.dirs for
 * //  *.jar files therein! This should be updated
 *
 * @param h Map to put information in
 * @see #jarNames
 * @see #checkPathForJars(String, String[])
 */
protected void checkSystemProperties(Map<String, Object> h)
{

  if (null == h)
    h = new HashMap<>();

  // Grab java version for later use
  try
  {
    String javaVersion = SecuritySupport.getSystemProperty("java.version");

    h.put("java.version", javaVersion);
  }
  catch (SecurityException se)
  {

    // For applet context, etc.
    h.put(
      "java.version",
      "WARNING: SecurityException thrown accessing system version properties");
  }

  // Printout jar files on classpath(s) that may affect operation
  //  Do this in order
  try
  {

    // This is present in all JVM's
    String cp = SecuritySupport.getSystemProperty("java.class.path");

    h.put("java.class.path", cp);

    List<Map> classpathJars = checkPathForJars(cp, jarNames);

    if (null != classpathJars) {
        h.put(FOUNDCLASSES + "java.class.path", classpathJars);
    }

    // Also check for JDK 1.2+ type classpaths
    String othercp = SecuritySupport.getSystemProperty("sun.boot.class.path");

    if (null != othercp) {
        h.put("sun.boot.class.path", othercp);
        classpathJars = checkPathForJars(othercp, jarNames);

        if (null != classpathJars) {
            h.put(FOUNDCLASSES + "sun.boot.class.path", classpathJars);
        }
    }

    //@todo NOTE: We don't actually search java.ext.dirs for
    //  *.jar files therein! This should be updated
    othercp = SecuritySupport.getSystemProperty("java.ext.dirs");

    if (null != othercp)
    {
      h.put("java.ext.dirs", othercp);

      classpathJars = checkPathForJars(othercp, jarNames);

      if (null != classpathJars)
        h.put(FOUNDCLASSES + "java.ext.dirs", classpathJars);
    }

    //@todo also check other System properties' paths?
    //  v2 = checkPathForJars(System.getProperty("sun.boot.library.path"), jarNames);   // ?? may not be needed
    //  v3 = checkPathForJars(System.getProperty("java.library.path"), jarNames);   // ?? may not be needed
  }
  catch (SecurityException se2)
  {
    // For applet context, etc.
    h.put(
      "java.class.path",
      "WARNING: SecurityException thrown accessing system classpath properties");
  }
}