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## org.apache.fop.fo
Class PropertyList

    java.lang.Object
      org.apache.fop.fo.PropertyList

Direct Known Subclasses:
  Marker.MarkerPropertyList, StaticPropertyList

    public abstract class PropertyList

extends java.lang.Object

Class containing the collection of properties for a given FObj.

Field Summary
`protected PropertyList` | `parentPropertyList` reference to the parent FO's propertyList

Constructor Summary
`PropertyList(FObj fObjToAttach, PropertyList parentPropertyList)` Basic constructor.

Method Summary
`void` | `addAttributesToList(org.xml.sax.Attributes attributes)` Adds the attributes, passed in by the parser to the PropertyList.
`protected static java.lang.String` | `findBasePropertyName(java.lang.String attributeName)` Finds the first or base part (up to any period) of an attribute name.
`protected static java.lang.String` | `findSubPropertyName(java.lang.String attributeName)` Finds the second or sub part (portion past any period) of an attribute name.
`Property` | `get(int propId)` Return the property on the current FlowObject.
`Property` | `get(int propId, boolean bTryInherit, boolean bTryDefault)` Return the property on the current FlowObject.
`CommonAbsolutePosition` | `getAbsolutePositionProps()` Constructs a CommonAbsolutePosition object.
`CommonAural` | `getAuralProps()` Constructs a CommonAural object.
`CommonBorderPaddingBackground` | `getBorderPaddingBackgroundProps()` Constructs a BorderAndPadding object.
`abstract Property` | `getExplicit(int propId)` Return the value explicitly specified on this FO.
`Property` | `getExplicitOrShorthand(int propId)` Return the value explicitly specified on this FO.
`FObj` | `getFObj()`
`CommonFont` | `getFontProps()` Constructs a CommonFont object.
`Property` | `getFromParent(int propId)` Return the value of this property on the parent of this FO.
`CommonHyphenation` | `getHyphenationProps()` Constructs a CommonHyphenation object.
`Property` | `getInherited(int propId)` Return the value of this property inherited by this FO.
`CommonMarginBlock` | `getMarginBlockProps()` Constructs a CommonMarginBlock object.
`CommonMarginInline` | `getMarginInlineProps()` Constructs a CommonMarginInline object.
`Property` | `getNearestSpecified(int propId)` Return the "nearest" specified value for the given property.
`FObj` | `getParentFObj()`
`PropertyList` | `getParentPropertyList()`
`Property` | `getPropertyForAttribute(org.xml.sax.Attributes attributes, java.lang.String attributeName, java.lang.String attributeValue)`
`CommonRelativePosition` | `getRelativePositionProps()` Constructs a RelativePositionProps objects.
`CommonTextDecoration` | `getTextDecorationProps()` Constructs a CommonTextDecoration object.
`java.util.Map<java.lang.String,Property>` | `getUnknownPropertyValues()` Gets the current list of unknown property values
`protected void` | `handleInvalidProperty(org.apache.xmlgraphics.util.QName attr)` Handles an invalid property.
`protected boolean` | `isValidPropertyName(java.lang.String propertyName)` Validates a property name.
`abstract void` | `putExplicit(int propId, Property value)` Set an value defined explicitly on this FO.
`int` | `selectFromWritingMode(int lrtb, int rltb, int tbrl, int tblr)` Select a writing mode dependent property ID based on value of writing mode property.
`void` | `validatePropertyValue(java.lang.String propertyValue, Property output, Property property)` Adds an unknown property value to the property list so that if necessary, a warning can be displayed.

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

Field Detail

### parentPropertyList

    protected PropertyList parentPropertyList

  reference to the parent FO's propertyList

Constructor Detail

### PropertyList

    public PropertyList(FObj fObjToAttach,
                        PropertyList parentPropertyList)

  Basic constructor.

  Parameters:
    `fObjToAttach` - the FO this PropertyList should be attached to
    `parentPropertyList` - the PropertyList belonging to the new objects parent

Method Detail

### getFObj

    public FObj getFObj()

  Returns:
    the FObj object to which this propertyList is attached

### getParentFObj

    public FObj getParentFObj()

  Returns:
    the FObj object attached to the parentPropertyList

### validatePropertyValue

    public void validatePropertyValue(java.lang.String propertyValue,
                                      Property output,
                                      Property property)

  Adds an unknown property value to the property list so that if necessary, a warning can be displayed.

  Parameters:
    `propertyValue` - The unknown property value
    `output` - The output of the property to validate
    `property` - The original property containing the full value

### getUnknownPropertyValues

    public java.util.Map<java.lang.String,Property> getUnknownPropertyValues()

  Gets the current list of unknown property values

  Returns:
    The set containing the list of unknown property values

### getParentPropertyList

    public PropertyList getParentPropertyList()

  Returns:
    the FObj object attached to the parentPropetyList

### getExplicitOrShorthand

    public Property getExplicitOrShorthand(int propId)
                                    throws PropertyException

  Return the value explicitly specified on this FO.

  Parameters:
    `propId` - The id of the property whose value is desired.
  Returns:
    The value if the property is explicitly set or set by a shorthand property, otherwise null.
  Throws:
    `PropertyException` - ...

### getExplicit

    public abstract Property getExplicit(int propId)

  Return the value explicitly specified on this FO.

  Parameters:
    `propId` - The ID of the property whose value is desired.
  Returns:
    The value if the property is explicitly set, otherwise null.

### putExplicit

    public abstract void putExplicit(int propId,
                                     Property value)

  Set an value defined explicitly on this FO.

  Parameters:
    `propId` - The ID of the property to set.
    `value` - The value of the property.

### getInherited

    public Property getInherited(int propId)
                          throws PropertyException

  Return the value of this property inherited by this FO. Implements the inherited-property-value function. The property must be inheritable!

  Parameters:
    `propId` - The ID of the property whose value is desired.
  Returns:
    The inherited value, otherwise null.
  Throws:
    `PropertyException` - ...

### get

    public Property get(int propId)
                 throws PropertyException

  Return the property on the current FlowObject. If it isn't set explicitly, this will try to compute it based on other properties, or if it is inheritable, to return the inherited value. If all else fails, it returns the default value.

  Parameters:
    `propId` - The Constants ID of the property whose value is desired.
  Returns:
    the Property corresponding to that name
  Throws:
    `PropertyException` - if there is a problem evaluating the property

### get

    public Property get(int propId,
                        boolean bTryInherit,
                        boolean bTryDefault)
                 throws PropertyException

  Return the property on the current FlowObject. Depending on the passed flags, this will try to compute it based on other properties, or if it is inheritable, to return the inherited value. If all else fails, it returns the default value.

  Parameters:
    `propId` - the property's id
    `bTryInherit` - true for inherited properties, or when the inherited value is needed
    `bTryDefault` - true when the default value may be used as a last resort
  Returns:
    the property
  Throws:
    `PropertyException` - if there is a problem evaluating the property

### getNearestSpecified

    public Property getNearestSpecified(int propId)
                                 throws PropertyException

  Return the "nearest" specified value for the given property. Implements the from-nearest-specified-value function.

  Parameters:
    `propId` - The ID of the property whose value is desired.
  Returns:
    The computed value if the property is explicitly set on some ancestor of the current FO, else the initial value.
  Throws:
    `PropertyException` - if there an error occurred when getting the property

### getFromParent

    public Property getFromParent(int propId)
                           throws PropertyException

  Return the value of this property on the parent of this FO. Implements the from-parent function.

  Parameters:
    `propId` - The Constants ID of the property whose value is desired.
  Returns:
    The computed value on the parent or the initial value if this FO is the root or is in a different namespace from its parent.
  Throws:
    `PropertyException` - ...

### selectFromWritingMode

    public int selectFromWritingMode(int lrtb,
                                     int rltb,
                                     int tbrl,
                                     int tblr)

  Select a writing mode dependent property ID based on value of writing mode property.

  Parameters:
    `lrtb` - the property ID to return under lrtb writingmode.
    `rltb` - the property ID to return under rltb writingmode.
    `tbrl` - the property ID to return under tbrl writingmode.
    `tblr` - the property ID to return under tblr writingmode.
  Returns:
    one of the property IDs, depending on the writing mode.

### addAttributesToList

    public void addAttributesToList(org.xml.sax.Attributes attributes)
                             throws ValidationException

  Adds the attributes, passed in by the parser to the PropertyList.

  Note that certain attributes are given priority in terms of order of processing due to conversion dependencies, where the order is as follows:

  1. writing-mode
  2. column-number
  3. number-columns-spanned
  4. font
  5. font-size
  6. all others in order of appearance

  Parameters:
    `attributes` - Collection of attributes passed to us from the parser.
  Throws:
    `ValidationException` - if there is an attribute that does not map to a property id (strict validation only)

### isValidPropertyName

    protected boolean isValidPropertyName(java.lang.String propertyName)

  Validates a property name.

  Parameters:
    `propertyName` - the property name to check
  Returns:
    true if the base property name and the subproperty name (if any) can be correctly mapped to an id

### getPropertyForAttribute

    public Property getPropertyForAttribute(org.xml.sax.Attributes attributes,
                                            java.lang.String attributeName,
                                            java.lang.String attributeValue)
                                     throws FOPException

  Throws:
    `FOPException`

### handleInvalidProperty

    protected void handleInvalidProperty(org.apache.xmlgraphics.util.QName attr)
                                  throws ValidationException

  Handles an invalid property.

  Parameters:
    `attr` - the invalid attribute
  Throws:
    `ValidationException` - if an exception needs to be thrown depending on the validation settings

### findBasePropertyName

    protected static java.lang.String findBasePropertyName(java.lang.String attributeName)

  Finds the first or base part (up to any period) of an attribute name. For example, if input is "space-before.minimum", should return "space-before".

  Parameters:
    `attributeName` - String to be atomized
  Returns:
    the base portion of the attribute

### findSubPropertyName

    protected static java.lang.String findSubPropertyName(java.lang.String attributeName)

  Finds the second or sub part (portion past any period) of an attribute name. For example, if input is "space-before.minimum", should return "minimum".

  Parameters:
    `attributeName` - String to be atomized
  Returns:
    the sub portion of the attribute

### getBorderPaddingBackgroundProps

    public CommonBorderPaddingBackground getBorderPaddingBackgroundProps()
                                                                  throws PropertyException

  Constructs a BorderAndPadding object.

  Returns:
    a BorderAndPadding object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getHyphenationProps

    public CommonHyphenation getHyphenationProps()
                                          throws PropertyException

  Constructs a CommonHyphenation object.

  Returns:
    the CommonHyphenation object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getMarginBlockProps

    public CommonMarginBlock getMarginBlockProps()
                                          throws PropertyException

  Constructs a CommonMarginBlock object.

  Returns:
    the CommonMarginBlock object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getMarginInlineProps

    public CommonMarginInline getMarginInlineProps()
                                            throws PropertyException

  Constructs a CommonMarginInline object.

  Returns:
    the CommonMarginInline object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getAuralProps

    public CommonAural getAuralProps()
                              throws PropertyException

  Constructs a CommonAural object.

  Returns:
    the CommonAural object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getRelativePositionProps

    public CommonRelativePosition getRelativePositionProps()
                                                    throws PropertyException

  Constructs a RelativePositionProps objects.

  Returns:
    a RelativePositionProps object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getAbsolutePositionProps

    public CommonAbsolutePosition getAbsolutePositionProps()
                                                    throws PropertyException

  Constructs a CommonAbsolutePosition object.

  Returns:
    the CommonAbsolutePosition object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getFontProps

    public CommonFont getFontProps()
                            throws PropertyException

  Constructs a CommonFont object.

  Returns:
    A CommonFont object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

### getTextDecorationProps

    public CommonTextDecoration getTextDecorationProps()
                                                throws PropertyException

  Constructs a CommonTextDecoration object.

  Returns:
    a CommonTextDecoration object
  Throws:
    `PropertyException` - if there's a problem while processing the properties

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