Package org.apache.solr.core

Class XmlConfigFile

java.lang.Object

org.apache.solr.core.XmlConfigFile

public class XmlConfigFile
extends Object

Wrapper around an XML DOM object to provide convenient accessors to it. Intended for XML config files.

Constructor Summary

Constructors

Constructor	Description
XmlConfigFile(SolrResourceLoader loader, String name, InputSource is, String prefix, Properties substituteProps)
XmlConfigFile(SolrResourceLoader loader, Function<String,InputStream> fileSupplier, String name, InputSource is, String prefix, Properties substituteProps)	Builds a config.

Method Summary

Modifier and Type	Method	Description
static void	assertWarnOrFail(String reason, boolean assertCondition, boolean failCondition)
void	complainAboutUnknownAttributes(String elementXpath, String... knownAttributes)	Logs an error and throws an exception if any of the element(s) at the given elementXpath contains an attribute name that is not among knownAttributes.
Object	evaluate(String path, QName type)
String	get(String path)
String	get(String path, String def)
boolean	getBool(String path)
boolean	getBool(String path, boolean def)
Document	getDocument()
double	getDouble(String path)
double	getDouble(String path, double def)
float	getFloat(String path)
float	getFloat(String path, float def)
int	getInt(String path)
int	getInt(String path, int def)
String	getName()
Node	getNode(String path, boolean errifMissing)
Node	getNode(String path, Document doc, boolean errIfMissing)
NodeList	getNodeList(String path, boolean errIfMissing)
SolrResourceLoader	getResourceLoader()
String	getResourceName()
protected Properties	getSubstituteProperties()	Returns non-null props to substitute.
Set<String>	getUnknownAttributes(Element element, String... knownAttributes)	Returns the set of attributes on the given element that are not among the given knownAttributes, or null if all attributes are known.
String	getVal(String path, boolean errIfMissing)
XPath	getXPath()
int	getZnodeVersion()	If this config is loaded from zk the version is relevant otherwise -1 is returned

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XmlConfigFile

public XmlConfigFile(SolrResourceLoader loader,
                     String name,
                     InputSource is,
                     String prefix,
                     Properties substituteProps)
              throws IOException

Throws:

IOException

XmlConfigFile

public XmlConfigFile(SolrResourceLoader loader,
                     Function<String,InputStream> fileSupplier,
                     String name,
                     InputSource is,
                     String prefix,
                     Properties substituteProps)
              throws IOException

Builds a config.

Note that the 'name' parameter is used to obtain a valid input stream if no valid one is provided through 'is'. If no valid stream is provided, a valid SolrResourceLoader instance should be provided through 'loader' so the resource can be opened (@see SolrResourceLoader#openResource); if no SolrResourceLoader instance is provided, a default one will be created.

Consider passing a non-null 'name' parameter in all use-cases since it is used for logging & exception reporting.

Parameters:

loader - the resource loader used to obtain an input stream if 'is' is null

name - the resource name used if the input stream 'is' is null

is - the resource as a SAX InputSource

prefix - an optional prefix that will be prepended to all non-absolute xpath expressions

substituteProps - optional property substitution

Throws:

IOException

Method Detail

assertWarnOrFail

public static void assertWarnOrFail(String reason,
                                    boolean assertCondition,
                                    boolean failCondition)

getSubstituteProperties

protected Properties getSubstituteProperties()

Returns non-null props to substitute. Param is the base/default set, also non-null.

getResourceLoader

public SolrResourceLoader getResourceLoader()

Since:

solr 1.3

getResourceName

public String getResourceName()

Since:

solr 1.3

getName

public String getName()

getDocument

public Document getDocument()

getXPath

public XPath getXPath()

evaluate

public Object evaluate(String path,
                       QName type)

getNode

public Node getNode(String path,
                    boolean errifMissing)

getNode

public Node getNode(String path,
                    Document doc,
                    boolean errIfMissing)

getNodeList

public NodeList getNodeList(String path,
                            boolean errIfMissing)

getUnknownAttributes

public Set<String> getUnknownAttributes(Element element,
                                        String... knownAttributes)

Returns the set of attributes on the given element that are not among the given knownAttributes, or null if all attributes are known.

complainAboutUnknownAttributes

public void complainAboutUnknownAttributes(String elementXpath,
                                           String... knownAttributes)

Logs an error and throws an exception if any of the element(s) at the given elementXpath contains an attribute name that is not among knownAttributes.

getVal

public String getVal(String path,
                     boolean errIfMissing)

get

public String get(String path)

get

public String get(String path,
                  String def)

getInt

public int getInt(String path)

getInt

public int getInt(String path,
                  int def)

getBool

public boolean getBool(String path)

getBool

public boolean getBool(String path,
                       boolean def)

getFloat

public float getFloat(String path)

getFloat

public float getFloat(String path,
                      float def)

getDouble

public double getDouble(String path)

getDouble

public double getDouble(String path,
                        double def)

getZnodeVersion

public int getZnodeVersion()

If this config is loaded from zk the version is relevant otherwise -1 is returned