JavaUtils (Axis API)
Keywords: org.apache.axis.utils.JavaUtils class

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## org.apache.axis.utils
Class JavaUtils

    java.lang.Object
      org.apache.axis.utils.JavaUtils

public class JavaUtils
extends java.lang.Object

Utility class to deal with Java language related issues, such as type conversions.

Author:
  Glen Daniels (gdaniels@apache.org)

Nested Class Summary
`static interface` | `JavaUtils.ConvertCache` It the argument to the convert(...) method implements the ConvertCache interface, the convert(...) method will use the set/get methods to store and retrieve converted values.
`static class` | `JavaUtils.HolderException`

Field Summary
`static char` | `CR`
`protected static org.apache.commons.logging.Log` | `log`
`static java.lang.String` | `LS` The prefered line separator
`static char` | `NL`

Method Summary
`static java.lang.Object` | `convert(java.lang.Object arg, java.lang.Class destClass)` Utility function to convert an Object to some desired Class.
`static java.lang.Object` | `getHolderValue(java.lang.Object holder)` Gets the Holder value.
`static java.lang.Class` | `getHolderValueType(java.lang.Class type)` Determines if the Class is a Holder class.
`static java.awt.Image` | `getImageFromStream(java.io.InputStream is)`
`static java.lang.String` | `getLoadableClassName(java.lang.String text)` Converts text of the form Foo[] to the proper class name for loading [LFoo
`static java.lang.Class` | `getPrimitiveClass(java.lang.Class wrapper)`
`static java.lang.Class` | `getPrimitiveClassFromName(java.lang.String primitive)`
`static java.lang.String` | `getTextClassName(java.lang.String text)` Converts text of the form [LFoo to the Foo[]
`static java.lang.String` | `getUniqueValue(java.util.Collection values, java.lang.String initValue)` Makes the value passed in `initValue` unique among the `String` values contained in `values` by suffixing it with a decimal digit suffix.
`static java.lang.String` | `getWrapper(java.lang.String primitive)`
`static java.lang.Class` | `getWrapperClass(java.lang.Class primitive)`
`static boolean` | `isAttachmentSupported()` Determine whether attachments are supported by checking if the following classes are available: javax.activation.DataHandler, javax.mail.internet.MimeMultipart.
`static boolean` | `isBasic(java.lang.Class javaType)`
`static boolean` | `isConvertable(java.lang.Object obj, java.lang.Class dest)`
`static boolean` | `isConvertable(java.lang.Object obj, java.lang.Class dest, boolean isEncoded)`
`static boolean` | `isEnumClass(java.lang.Class cls)` Determine if the class is a JAX-RPC enum class.
`static boolean` | `isFalse(java.lang.Object value)`
`static boolean` | `isFalse(java.lang.Object value, boolean defaultVal)` Tests the Object 'value': if its null, return default.
`static boolean` | `isFalse(java.lang.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;
`static boolean` | `isFalseExplicitly(java.lang.Object value)`
`static boolean` | `isFalseExplicitly(java.lang.Object value, boolean defaultVal)` Tests the Object 'value': if its null, return default.
`static boolean` | `isFalseExplicitly(java.lang.String value)` Tests the String 'value': return 'true' if its null, 'false', '0', or 'no' - else 'false'
`static boolean` | `isJavaId(java.lang.String id)` isJavaId Returns true if the name is a valid java identifier.
`static boolean` | `isJavaKeyword(java.lang.String keyword)` checks if the input string is a valid java keyword.
`static boolean` | `isTrue(java.lang.Object value)`
`static boolean` | `isTrue(java.lang.Object value, boolean defaultVal)` Tests the Object 'value': if its null, return default.
`static boolean` | `isTrue(java.lang.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;
`static boolean` | `isTrueExplicitly(java.lang.Object value)`
`static boolean` | `isTrueExplicitly(java.lang.Object value, boolean defaultVal)` Tests the Object 'value': if its null, return default.
`static boolean` | `isTrueExplicitly(java.lang.String value)` Tests the String 'value': return 'true' if its 'true', '1', or 'yes' - else 'false'
`static java.lang.String` | `makeNonJavaKeyword(java.lang.String keyword)` Turn a java keyword string into a non-Java keyword string.
`static java.lang.String` | `mimeToJava(java.lang.String mime)` Given the MIME type string, return the Java mapping.
`static java.lang.String` | `replace(java.lang.String name, java.lang.String oldT, java.lang.String newT)` replace: Like String.replace except that the old new items are strings.
`static void` | `setHolderValue(java.lang.Object holder, java.lang.Object value)` Sets the Holder value.
`static java.lang.String` | `stackToString(java.lang.Throwable e)`
`static java.lang.String` | `xmlNameToJava(java.lang.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"

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### log

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

### NL

    public static final char NL

See Also:
  Constant Field Values

### CR

    public static final char CR

See Also:
  Constant Field Values

### LS

    public static final java.lang.String LS

  The prefered line separator

Method Detail

### getWrapperClass

    public static java.lang.Class getWrapperClass(java.lang.Class primitive)

### getWrapper

    public static java.lang.String getWrapper(java.lang.String primitive)

### getPrimitiveClass

    public static java.lang.Class getPrimitiveClass(java.lang.Class wrapper)

### getPrimitiveClassFromName

    public static java.lang.Class getPrimitiveClassFromName(java.lang.String primitive)

### isBasic

    public static boolean isBasic(java.lang.Class javaType)

### convert

    public static java.lang.Object convert(java.lang.Object arg,
                                           java.lang.Class destClass)

  Utility function to convert an Object to some desired Class. Right now this works for: arrays <-> Lists, Holders <-> held values

  Parameters:
    `arg` - the array to convert
    `destClass` - the actual class we want

### isConvertable

    public static boolean isConvertable(java.lang.Object obj,
                                        java.lang.Class dest)

### isConvertable

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

### getImageFromStream

    public static java.awt.Image getImageFromStream(java.io.InputStream is)

### isJavaId

    public static boolean isJavaId(java.lang.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(java.lang.String keyword)

  checks if the input string is a valid java keyword.

  Returns:
    boolean true/false

### makeNonJavaKeyword

    public static java.lang.String makeNonJavaKeyword(java.lang.String keyword)

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

### getLoadableClassName

    public static java.lang.String getLoadableClassName(java.lang.String text)

  Converts text of the form Foo[] to the proper class name for loading [LFoo

### getTextClassName

    public static java.lang.String getTextClassName(java.lang.String text)

  Converts text of the form [LFoo to the Foo[]

### xmlNameToJava

    public static java.lang.String xmlNameToJava(java.lang.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 java.lang.String replace(java.lang.String name,
                                                 java.lang.String oldT,
                                                 java.lang.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 java.lang.Class getHolderValueType(java.lang.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 java.lang.Object getHolderValue(java.lang.Object holder)
                                           throws JavaUtils.HolderException

  Gets the Holder value.

  Parameters:
    `holder` - Holder object
  Returns:
    value object
  Throws:
    `JavaUtils.HolderException`

### setHolderValue

    public static void setHolderValue(java.lang.Object holder,
                                      java.lang.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(java.lang.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 java.lang.String stackToString(java.lang.Throwable e)

### isTrue

    public static final boolean isTrue(java.lang.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(java.lang.String value)

  Tests the String 'value': return 'true' if its 'true', '1', or 'yes' - else 'false'

### isTrueExplicitly

    public static final boolean isTrueExplicitly(java.lang.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(java.lang.Object value)

### isTrue

    public static final boolean isTrue(java.lang.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(java.lang.Object value)

### isFalse

    public static final boolean isFalse(java.lang.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(java.lang.String value)

  Tests the String 'value': return 'true' if its null, 'false', '0', or 'no' - else 'false'

### isFalseExplicitly

    public static final boolean isFalseExplicitly(java.lang.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(java.lang.Object value)

### isFalse

    public static final boolean isFalse(java.lang.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(java.lang.Object value)

### mimeToJava

    public static java.lang.String mimeToJava(java.lang.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 java.lang.String getUniqueValue(java.util.Collection values,
                                                  java.lang.String initValue)

  Makes the value passed in `initValue` unique among the `String` values contained in `values` by suffixing it with a decimal digit suffix.

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