Apache Commons Configuration2를 사용하여 InputStream에서 데이터를 읽으려면 어떻게해야합니까?Apache Commons Configuration2 InputStream에서 데이터를 읽는 방법
FileBasedConfigurationBuilder<XMLConfiguration> builder =
new FileBasedConfigurationBuilder<XMLConfiguration>(XMLConfiguration.class)
.configure(
new Parameters()
.xml()
.setFileName("")
.setExpressionEngine(new XPathExpressionEngine())
);
XMLConfiguration config = builder.getConfiguration();
config.read(sourceJarFile.getInputStream(sourcePropertiesEntry))
위 코드를 사용하면 setFileName에 빈 문자열이 주어진 경우 아래 예외가 발생합니다.
org.apache.commons.configuration2.ex.ConfigurationException: Could not locate: [email protected][fileName=tmp.xml,basePath=<null>,sourceURL=,encoding=<null>,fileSystem=<null>,locationStrategy=<null>]
at org.apache.commons.configuration2.io.FileLocatorUtils.locateOrThrow(FileLocatorUtils.java:346)
at org.apache.commons.configuration2.io.FileHandler.load(FileHandler.java:972)
at org.apache.commons.configuration2.io.FileHandler.load(FileHandler.java:702)
at org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder.initFileHandler(FileBasedConfigurationBuilder.java:312)
at org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder.initResultInstance(FileBasedConfigurationBuilder.java:291)
at org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder.initResultInstance(FileBasedConfigurationBuilder.java:60)
at org.apache.commons.configuration2.builder.BasicConfigurationBuilder.createResult(BasicConfigurationBuilder.java:421)
at org.apache.commons.configuration2.builder.BasicConfigurationBuilder.getConfiguration(BasicConfigurationBuilder.java:285)
at com.test.installer.App.getXMLConfigurationProperties(App.java:185)
null을 주거나 setFileName()을 호출하지 않으면; read() 행에서 구성 예외를로드 할 수 없게됩니다.
org.apache.commons.configuration2.ex.ConfigurationException: Unable to load the configuration
at org.apache.commons.configuration2.XMLConfiguration.load(XMLConfiguration.java:986)
at org.apache.commons.configuration2.XMLConfiguration.read(XMLConfiguration.java:954)
at com.test.installer.App.updateExistedProperties(App.java:84)