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java.lang.Objectorg.biojava.bio.program.tagvalue.SimpleTagValueWrapper
org.biojava.bio.program.tagvalue.ValueChanger
public class ValueChanger
Intercept the values associated with some tags and change them systematically.
The two forms of changes that can be made are:
For a given tag, changers take precendence over splitters, and explicitly registered changers or splitters take precendence over the default handlers. If there is not a specific handler for a tag and there is no default set, then the value is passed on unchanged.
Constructor Summary | |
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ValueChanger(TagValueListener delegate)
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ValueChanger(TagValueListener delegate,
ChangeTable changeTable)
Create a new changer that will pass the modified event stream to a delegate. |
Method Summary | |
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ChangeTable |
getChangeTable()
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ChangeTable.Changer |
getDefaultChanger()
Get the changer that will be applied to values of tags with no specific handler registered. |
ChangeTable.Splitter |
getDefaultSplitter()
Get the splitter that will be applied to values of tags with no specific handler registered. |
void |
setChangeTable(ChangeTable changeTable)
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void |
setDefaultChanger(ChangeTable.Changer c)
The changer that will be applied to the values of tags not registered explicitly to any changer or splitter instance. |
void |
setDefaultSplitter(ChangeTable.Splitter s)
The splitter that will be applied to the values of tags not registered explicitly to any changer or splitter instance. |
void |
startTag(java.lang.Object tag)
Start a new tag. |
void |
value(TagValueContext ctxt,
java.lang.Object value)
A value has been seen. |
Methods inherited from class org.biojava.bio.program.tagvalue.SimpleTagValueWrapper |
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endRecord, endTag, getDelegate, setDelegate, startRecord |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ValueChanger(TagValueListener delegate)
public ValueChanger(TagValueListener delegate, ChangeTable changeTable)
delegate
- the TagValueListener that will receive the eventsMethod Detail |
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public void setDefaultChanger(ChangeTable.Changer c)
c
- the default ChangeTable.Changerpublic ChangeTable.Changer getDefaultChanger()
public void setDefaultSplitter(ChangeTable.Splitter s)
s
- the default ChangeTable.Splitterpublic ChangeTable.Splitter getDefaultSplitter()
public ChangeTable getChangeTable()
public void setChangeTable(ChangeTable changeTable)
public void startTag(java.lang.Object tag) throws ParserException
TagValueListener
startTag
in interface TagValueListener
startTag
in class SimpleTagValueWrapper
tag
- the Object representing the new tag
ParserException
- if the tag could not be startedpublic void value(TagValueContext ctxt, java.lang.Object value) throws ParserException
TagValueListener
value
in interface TagValueListener
value
in class SimpleTagValueWrapper
ctxt
- a TagValueContext that could be used to push a sub-documentvalue
- the value Object observed
ParserException
- if the value could not be processed
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