com.google.api.ads.common.lib.utils

Class XmlFieldExtractor

java.lang.Object

com.google.api.ads.common.lib.utils.XmlFieldExtractor

public class XmlFieldExtractor
extends Object

Utility class to extract fields from XML.

Constructor Summary

Constructors

Constructor and Description
XmlFieldExtractor(org.slf4j.Logger soapXmlLogger, com.google.common.base.Supplier<DocumentBuilder> documentBuilderSupplier, com.google.common.base.Supplier<XPath> xpathSupplier)

Method Summary

Modifier and Type	Method and Description
Map<String,String>	extract(InputStream xml, String[] fields) Locates the target fields in the specified XML and uses a wildcard XPath to identify the first matching node and return it in a map.

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlFieldExtractor

@Inject
public XmlFieldExtractor(org.slf4j.Logger soapXmlLogger,
                                 com.google.common.base.Supplier<DocumentBuilder> documentBuilderSupplier,
                                 com.google.common.base.Supplier<XPath> xpathSupplier)

Method Detail

extract

public Map<String,String> extract(InputStream xml,
                                  String[] fields)

Locates the target fields in the specified XML and uses a wildcard XPath to identify the first matching node and return it in a map.

For example, for the xml: <xml><bar>BAR</bar></xml></code> and field "bar", this class return a map with key "bar" and value "BAR".

Parameters:

xml - Stream of XML to process.

fields - List of fields to look for.

Returns:

Non-null map of fieldname to value. Will only contain entries for fields found in the stream.