LocatorImpl
public
class
LocatorImpl
extends Object
implements
Locator
| 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.
See also:
Summary
Public constructors | |
|---|---|
LocatorImpl()
Zero-argument constructor. |
|
LocatorImpl(Locator locator)
Copy constructor. |
|
Public methods | |
|---|---|
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. |
Inherited methods | |
|---|---|
Public constructors
LocatorImpl
public LocatorImpl ()
Zero-argument constructor.
This will not normally be useful, since the main purpose of this class is to make a snapshot of an existing Locator.
LocatorImpl
public LocatorImpl (Locator locator)
Copy constructor.
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).
| Parameters | |
|---|---|
locator |
Locator: The locator to copy. |
Public methods
getColumnNumber
public int getColumnNumber ()
Return the saved column number (1-based).
| Returns | |
|---|---|
int |
The column number as an integer, or -1 if none is available. |
getLineNumber
public int getLineNumber ()
Return the saved line number (1-based).
| Returns | |
|---|---|
int |
The line number as an integer, or -1 if none is available. |
getPublicId
public String getPublicId ()
Return the saved public identifier.
| Returns | |
|---|---|
String |
The public identifier as a string, or null if none is available. |
See also:
getSystemId
public String getSystemId ()
Return the saved system identifier.
| Returns | |
|---|---|
String |
The system identifier as a string, or null if none is available. |
See also:
setColumnNumber
public void setColumnNumber (int columnNumber)
Set the column number for this locator (1-based).
| Parameters | |
|---|---|
columnNumber |
int: The column number, or -1 if none is available. |
See also:
setLineNumber
public void setLineNumber (int lineNumber)
Set the line number for this locator (1-based).
| Parameters | |
|---|---|
lineNumber |
int: The line number, or -1 if none is available. |
See also:
setPublicId
public void setPublicId (String publicId)
Set the public identifier for this locator.
| Parameters | |
|---|---|
publicId |
String: The new public identifier, or null
if none is available. |
See also:
setSystemId
public void setSystemId (String systemId)
Set the system identifier for this locator.
| Parameters | |
|---|---|
systemId |
String: The new system identifier, or null
if none is available. |
See also: