Package org.apache.axis.utils

Class JavaUtils

java.lang.Object
org.apache.axis.utils.JavaUtils
public class JavaUtils extends Object
Utility class to deal with Java language related issues, such as type conversions.
Author:
Glen Daniels (gdaniels@apache.org)

  • Field Details

    • log

      protected static org.apache.commons.logging.Log log

    • NL

      public static final char NL
      See Also:

    • CR

      public static final char CR
      See Also:

    • LS

      public static final String LS
      The prefered line separator

  • Method Details

    • getWrapperClass

      public static Class getWrapperClass(Class primitive)

    • getWrapper

      public static String getWrapper(String primitive)

    • getPrimitiveClass

      public static Class getPrimitiveClass(Class wrapper)

    • getPrimitiveClassFromName

      public static Class getPrimitiveClassFromName(String primitive)

    • isBasic

      public static boolean isBasic(Class javaType)

    • convert

      public static Object convert(Object arg, Class destClass)
      Utility function to convert an Object to some desired Class. Right now this works for: arrays invalid input: '<'-> Lists, Holders invalid input: '<'-> held values
      Parameters:
      arg - the array to convert
      destClass - the actual class we want

    • isConvertable

      public static boolean isConvertable(Object obj, Class dest)

    • isConvertable

      public static boolean isConvertable(Object obj, Class dest, boolean isEncoded)

    • getImageFromStream

      public static Image getImageFromStream(InputStream is)

    • isJavaId

      public static boolean isJavaId(String id)
      isJavaId Returns true if the name is a valid java identifier.
      Parameters:
      id - to check
      Returns:
      boolean true/false

    • isJavaKeyword

      public static boolean isJavaKeyword(String keyword)
      checks if the input string is a valid java keyword.
      Returns:
      boolean true/false

    • makeNonJavaKeyword

      public static String makeNonJavaKeyword(String keyword)
      Turn a java keyword string into a non-Java keyword string. (Right now this simply means appending an underscore.)

    • getLoadableClassName

      public static String getLoadableClassName(String text)
      Converts text of the form Foo[] to the proper class name for loading [LFoo

    • getTextClassName

      public static String getTextClassName(String text)
      Converts text of the form [LFoo to the Foo[]

    • xmlNameToJava

      public static String xmlNameToJava(String name)
      Map an XML name to a Java identifier per the mapping rules of JSR 101 (in version 1.0 this is "Chapter 20: Appendix: Mapping of XML Names"
      Parameters:
      name - is the xml name
      Returns:
      the java name per JSR 101 specification

    • replace

      public static final String replace(String name, String oldT, String newT)
      replace: Like String.replace except that the old new items are strings.
      Parameters:
      name - string
      oldT - old text to replace
      newT - new text to use
      Returns:
      replacement string

    • getHolderValueType

      public static Class getHolderValueType(Class type)
      Determines if the Class is a Holder class. If so returns Class of held type else returns null
      Parameters:
      type - the suspected Holder Class
      Returns:
      class of held type or null

    • getHolderValue

      public static Object getHolderValue(Object holder) throws JavaUtils.HolderException
      Gets the Holder value.
      Parameters:
      holder - Holder object
      Returns:
      value object
      Throws:
      JavaUtils.HolderException

    • setHolderValue

      public static void setHolderValue(Object holder, Object value) throws JavaUtils.HolderException
      Sets the Holder value.
      Parameters:
      holder - Holder object
      value - is the object value
      Throws:
      JavaUtils.HolderException

    • isEnumClass

      public static boolean isEnumClass(Class cls)
      Determine if the class is a JAX-RPC enum class. An enumeration class is recognized by a getValue() method, a toString() method, a fromString(String) method a fromValue(type) method and the lack of a setValue(type) method

    • stackToString

      public static String stackToString(Throwable e)

    • isTrue

      public static final boolean isTrue(String value)
      Tests the String 'value': return 'false' if its 'false', '0', or 'no' - else 'true' Follow in 'C' tradition of boolean values: false is specific (0), everything else is true;

    • isTrueExplicitly

      public static final boolean isTrueExplicitly(String value)
      Tests the String 'value': return 'true' if its 'true', '1', or 'yes' - else 'false'

    • isTrueExplicitly

      public static final boolean isTrueExplicitly(Object value, boolean defaultVal)
      Tests the Object 'value': if its null, return default. if its a Boolean, return booleanValue() if its an Integer, return 'false' if its '0' else 'true' if its a String, return isTrueExplicitly((String)value). All other types return 'true'

    • isTrueExplicitly

      public static final boolean isTrueExplicitly(Object value)

    • isTrue

      public static final boolean isTrue(Object value, boolean defaultVal)
      Tests the Object 'value': if its null, return default. if its a Boolean, return booleanValue() if its an Integer, return 'false' if its '0' else 'true' if its a String, return 'false' if its 'false', 'no', or '0' - else 'true' All other types return 'true'

    • isTrue

      public static final boolean isTrue(Object value)

    • isFalse

      public static final boolean isFalse(String value)
      Tests the String 'value': return 'true' if its 'false', '0', or 'no' - else 'false' Follow in 'C' tradition of boolean values: false is specific (0), everything else is true;

    • isFalseExplicitly

      public static final boolean isFalseExplicitly(String value)
      Tests the String 'value': return 'true' if its null, 'false', '0', or 'no' - else 'false'

    • isFalseExplicitly

      public static final boolean isFalseExplicitly(Object value, boolean defaultVal)
      Tests the Object 'value': if its null, return default. if its a Boolean, return !booleanValue() if its an Integer, return 'true' if its '0' else 'false' if its a String, return isFalseExplicitly((String)value). All other types return 'false'

    • isFalseExplicitly

      public static final boolean isFalseExplicitly(Object value)

    • isFalse

      public static final boolean isFalse(Object value, boolean defaultVal)
      Tests the Object 'value': if its null, return default. if its a Boolean, return booleanValue() if its an Integer, return 'false' if its '0' else 'true' if its a String, return 'false' if its 'false', 'no', or '0' - else 'true' All other types return 'true'

    • isFalse

      public static final boolean isFalse(Object value)

    • mimeToJava

      public static String mimeToJava(String mime)
      Given the MIME type string, return the Java mapping.

    • isAttachmentSupported

      public static boolean isAttachmentSupported()
      Determine whether attachments are supported by checking if the following classes are available: javax.activation.DataHandler, javax.mail.internet.MimeMultipart.

    • getUniqueValue

      public static String getUniqueValue(Collection values, String initValue)
      Makes the value passed in initValue unique among the String values contained in values by suffixing it with a decimal digit suffix.