Field Detail

• CHUNKSIZE

  public static final int CHUNKSIZE

  See Also:

  Constant Field Values

Constructor Detail

• JspUtil

  public JspUtil()

Method Detail

• getExprInXml

  public static java.lang.String getExprInXml(java.lang.String expression)

  Takes a potential expression and converts it into XML form

• checkScope

  public static void checkScope(java.lang.String scope,
                org.apache.jasper.compiler.Node n,
                ErrorDispatcher err)
                         throws JasperException

  Checks to see if the given scope is valid.

  Parameters:

  scope - The scope to be checked

  n - The Node containing the 'scope' attribute whose value is to be checked

  err - error dispatcher

  Throws:

  JasperException - if scope is not null and different from "page", "request", "session", and "application"

• checkAttributes

  public static void checkAttributes(java.lang.String typeOfTag,
                     org.apache.jasper.compiler.Node n,
                     JspUtil.ValidAttribute[] validAttributes,
                     ErrorDispatcher err)
                              throws JasperException

  Checks if all mandatory attributes are present and if all attributes present have valid names. Checks attributes specified as XML-style attributes as well as attributes specified using the jsp:attribute standard action.

  Throws:

  JasperException

• escapeXml

  public static java.lang.String escapeXml(java.lang.String s)

  Escape the 5 entities defined by XML.

• booleanValue

  public static boolean booleanValue(java.lang.String s)

  Convert a String value to 'boolean'. Besides the standard conversions done by Boolean.parseBoolean(s), the value "yes" (ignore case) is also converted to 'true'. If 's' is null, then 'false' is returned.

  Parameters:

  s - the string to be converted

  Returns:

  the boolean value associated with the string s

• toClass

  public static java.lang.Class<?> toClass(java.lang.String type,
                           java.lang.ClassLoader loader)
                                    throws java.lang.ClassNotFoundException

  Returns the Class object associated with the class or interface with the given string name.

  The Class object is determined by passing the given string name to the Class.forName() method, unless the given string name represents a primitive type, in which case it is converted to a Class object by appending ".class" to it (e.g., "int.class").

  Throws:

  java.lang.ClassNotFoundException

• interpreterCall

  public static java.lang.String interpreterCall(boolean isTagFile,
                                 java.lang.String expression,
                                 java.lang.Class<?> expectedType,
                                 java.lang.String fnmapvar)

  Produces a String representing a call to the EL interpreter.

  Parameters:

  expression - a String containing zero or more "${}" expressions

  expectedType - the expected type of the interpreted result

  fnmapvar - Variable pointing to a function map.

  Returns:

  a String representing a call to the EL interpreter.

• coerceToPrimitiveBoolean

  public static java.lang.String coerceToPrimitiveBoolean(java.lang.String s,
                                          boolean isNamedAttribute)

• coerceToBoolean

  public static java.lang.String coerceToBoolean(java.lang.String s,
                                 boolean isNamedAttribute)

• coerceToPrimitiveByte

  public static java.lang.String coerceToPrimitiveByte(java.lang.String s,
                                       boolean isNamedAttribute)

• coerceToByte

  public static java.lang.String coerceToByte(java.lang.String s,
                              boolean isNamedAttribute)

• coerceToChar

  public static java.lang.String coerceToChar(java.lang.String s,
                              boolean isNamedAttribute)

• coerceToCharacter

  public static java.lang.String coerceToCharacter(java.lang.String s,
                                   boolean isNamedAttribute)

• coerceToPrimitiveDouble

  public static java.lang.String coerceToPrimitiveDouble(java.lang.String s,
                                         boolean isNamedAttribute)

• coerceToDouble

  public static java.lang.String coerceToDouble(java.lang.String s,
                                boolean isNamedAttribute)

• coerceToPrimitiveFloat

  public static java.lang.String coerceToPrimitiveFloat(java.lang.String s,
                                        boolean isNamedAttribute)

• coerceToFloat

  public static java.lang.String coerceToFloat(java.lang.String s,
                               boolean isNamedAttribute)

• coerceToInt

  public static java.lang.String coerceToInt(java.lang.String s,
                             boolean isNamedAttribute)

• coerceToInteger

  public static java.lang.String coerceToInteger(java.lang.String s,
                                 boolean isNamedAttribute)

• coerceToPrimitiveShort

  public static java.lang.String coerceToPrimitiveShort(java.lang.String s,
                                        boolean isNamedAttribute)

• coerceToShort

  public static java.lang.String coerceToShort(java.lang.String s,
                               boolean isNamedAttribute)

• coerceToPrimitiveLong

  public static java.lang.String coerceToPrimitiveLong(java.lang.String s,
                                       boolean isNamedAttribute)

• coerceToLong

  public static java.lang.String coerceToLong(java.lang.String s,
                              boolean isNamedAttribute)

• getInputStream

  public static java.io.InputStream getInputStream(java.lang.String fname,
                                   Jar jar,
                                   JspCompilationContext ctxt)
                                            throws java.io.IOException

  Throws:

  java.io.IOException

• getInputSource

  public static org.xml.sax.InputSource getInputSource(java.lang.String fname,
                                       Jar jar,
                                       JspCompilationContext ctxt)
                                                throws java.io.IOException

  Throws:

  java.io.IOException

• getTagHandlerClassName

  public static java.lang.String getTagHandlerClassName(java.lang.String path,
                                        java.lang.String urn,
                                        ErrorDispatcher err)
                                                 throws JasperException

  Gets the fully-qualified class name of the tag handler corresponding to the given tag file path.

  Parameters:

  path - Tag file path

  err - Error dispatcher

  Returns:

  Fully-qualified class name of the tag handler corresponding to the given tag file path

  Throws:

  JasperException

• makeJavaPackage

  public static final java.lang.String makeJavaPackage(java.lang.String path)

  Converts the given path to a Java package or fully-qualified class name

  Parameters:

  path - Path to convert

  Returns:

  Java package corresponding to the given path

• makeJavaIdentifier

  public static final java.lang.String makeJavaIdentifier(java.lang.String identifier)

  Converts the given identifier to a legal Java identifier

  Parameters:

  identifier - Identifier to convert

  Returns:

  Legal Java identifier corresponding to the given identifier

• makeJavaIdentifierForAttribute

  public static final java.lang.String makeJavaIdentifierForAttribute(java.lang.String identifier)

  Converts the given identifier to a legal Java identifier to be used for JSP Tag file attribute names.

  Parameters:

  identifier - Identifier to convert

  Returns:

  Legal Java identifier corresponding to the given identifier

• mangleChar

  public static final java.lang.String mangleChar(char ch)

  Mangle the specified character to create a legal Java class name.

• isJavaKeyword

  public static boolean isJavaKeyword(java.lang.String key)

  Test whether the argument is a Java keyword

• toJavaSourceTypeFromTld

  public static java.lang.String toJavaSourceTypeFromTld(java.lang.String type)

  Handles taking input from TLDs 'java.lang.Object' -> 'java.lang.Object.class' 'int' -> 'int.class' 'void' -> 'Void.TYPE' 'int[]' -> 'int[].class'

  Parameters:

  type -

• toJavaSourceType

  public static java.lang.String toJavaSourceType(java.lang.String type)

  Class.getName() return arrays in the form "[[[<et>", where et, the element type can be one of ZBCDFIJS or L<classname>;. It is converted into forms that can be understood by javac.