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java.lang.Object | +--org.xml.sax.helpers.LocatorImpl
Provide an optional convenience implementation of Locator.
This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY. See http://www.saxproject.org for further information.
This class is available mainly for application writers, who can use it to make a persistent snapshot of a locator at any point during a document parse:
Locator locator;
Locator startloc;
public void setLocator (Locator locator)
{
// note the locator
this.locator = locator;
}
public void startDocument ()
{
// save the location of the start of the document
// for future use.
Locator startloc = new LocatorImpl(locator);
}
Normally, parser writers will not use this class, since it is more efficient to provide location information only when requested, rather than constantly updating a Locator object.
Locator| Constructor Summary | ||
LocatorImpl()
Zero-argument constructor. |
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LocatorImpl(Locator locator)
Copy constructor. |
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| Method Summary | ||
int |
getColumnNumber()
Return the saved column number (1-based). |
|
int |
getLineNumber()
Return the saved line number (1-based). |
|
String |
getPublicId()
Return the saved public identifier. |
|
String |
getSystemId()
Return the saved system identifier. |
|
void |
setColumnNumber(int columnNumber)
Set the column number for this locator (1-based). |
|
void |
setLineNumber(int lineNumber)
Set the line number for this locator (1-based). |
|
void |
setPublicId(String publicId)
Set the public identifier for this locator. |
|
void |
setSystemId(String systemId)
Set the system identifier for this locator. |
|
| Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public LocatorImpl()
This will not normally be useful, since the main purpose of this class is to make a snapshot of an existing Locator.
public LocatorImpl(Locator locator)
Create a persistent copy of the current state of a locator. When the original locator changes, this copy will still keep the original values (and it can be used outside the scope of DocumentHandler methods).
locator - The locator to copy.| Method Detail |
public int getColumnNumber()
Locator.getColumnNumber(),
setColumnNumber(int)public int getLineNumber()
Locator.getLineNumber(),
setLineNumber(int)public String getPublicId()
Locator.getPublicId(),
setPublicId(java.lang.String)public String getSystemId()
Locator.getSystemId(),
setSystemId(java.lang.String)public void setColumnNumber(int columnNumber)
columnNumber - The column number, or -1 if none is available.getColumnNumber()public void setLineNumber(int lineNumber)
lineNumber - The line number, or -1 if none is available.getLineNumber()public void setPublicId(String publicId)
publicId - The new public identifier, or null
if none is available.getPublicId()public void setSystemId(String systemId)
systemId - The new system identifier, or null
if none is available.getSystemId()
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