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## org.biojava.bio.seq.io.filterxml
Class XMLFilterWriter

    java.lang.Object
      org.biojava.bio.seq.io.filterxml.XMLFilterWriter

    public class XMLFilterWriter

extends Object

Write FeatureFilters in XML format.

Since:
  1.3
Author:
  Thomas Down

Nested Class Summary
`static interface` | `XMLFilterWriter.FilterWriter` Interface for an object which can write a FeatureFilter as XML.

Field Summary
`static String` | `XML_FILTER_NS`

Constructor Summary
`XMLFilterWriter()` Construct a new `XMLFilterWriter` which can serialize the buildin types of `FeatureFilter`.

Method Summary
`void` | `addXMLFilterWriter(Class clazz, XMLFilterWriter.FilterWriter xfw)` Add a writer for the specified class of filters
`void` | `addXMLFilterWriter(FeatureFilter ff, XMLFilterWriter.FilterWriter xfw)` Add a writer for a singleton filter.
`boolean` | `isStrict()` Determine if this writer is in strict mode.
`void` | `setIsStrict(boolean b)` Selects strict mode.
`void` | `writeFilter(FeatureFilter ff, XMLWriter xw)` Write a FeatureFilter to the supplied XMLWriter

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

Field Detail

### XML_FILTER_NS

    public static final String XML_FILTER_NS

See Also:
  Constant Field Values

Constructor Detail

### XMLFilterWriter

    public XMLFilterWriter()

  Construct a new `XMLFilterWriter` which can serialize the buildin types of `FeatureFilter`.

Method Detail

### addXMLFilterWriter

    public void addXMLFilterWriter(Class clazz,
                                   XMLFilterWriter.FilterWriter xfw)

  Add a writer for the specified class of filters

### addXMLFilterWriter

    public void addXMLFilterWriter(FeatureFilter ff,
                                   XMLFilterWriter.FilterWriter xfw)

  Add a writer for a singleton filter.

### isStrict

    public boolean isStrict()

  Determine if this writer is in strict mode.

### setIsStrict

    public void setIsStrict(boolean b)

  Selects strict mode. In strict mode, the writer will throw an `IllegalArgumentException` if it encounters a type of `FeatureFilter` it doesn't recognize. When not in strict model, unrecognized filters are silently replaced by `FeatureFilter.all`. Default is `false`.

### writeFilter

    public void writeFilter(FeatureFilter ff,
                            XMLWriter xw)
                     throws IllegalArgumentException,
                            IOException

  Write a FeatureFilter to the supplied XMLWriter

  Throws:
    `IllegalArgumentException` - if the FeatureFilter is unrecognized, and the writer is in strict mode.
    `IOException` - if an error occurs while outputting XML.

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