Java XML String Transform getIntegerAttribute(XMLStreamReader in, String attribute)

Description

get Integer Attribute

License

Apache License

Declaration

public static Integer getIntegerAttribute(XMLStreamReader in,
            String attribute) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import static com.google.common.base.Optional.absent;
import static com.google.common.base.Optional.fromNullable;
import static com.google.common.base.Optional.of;
import static com.google.common.base.Throwables.propagate;

import static java.lang.Integer.parseInt;

import java.io.StringWriter;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stax.StAXSource;
import javax.xml.transform.stream.StreamResult;
import com.google.common.base.Optional;

public class Main {
    public static Integer getIntegerAttribute(String in, String attribute) {
        return parseInt(getAttribute(in, attribute));
    }//  w  w  w  . j ava  2s . c o  m

    public static Integer getIntegerAttribute(XMLStreamReader in,
            String attribute) {
        return parseInt(getAttribute(in, attribute));
    }

    public static String getAttribute(String in, String attribute) {
        Optional<String> foundOpt = findAttribute(in, attribute);
        if (foundOpt.isPresent()) {
            return foundOpt.get();
        }
        throw new RuntimeException("\"" + attribute + "\" not found in \""
                + in + "\"");
    }

    public static String getAttribute(XMLStreamReader in, String attribute) {
        String foundOpt = in.getAttributeValue("", attribute);
        if (foundOpt == null) {
            try {
                throw new RuntimeException("\"" + attribute
                        + "\" not found in:\n" + asString(in));
            } catch (Exception e) {
                propagate(e);
            }
        }
        return foundOpt;
    }

    public static Optional<String> findAttribute(String in, String attribute) {
        Pattern pattern = Pattern.compile(attribute + "='([^']+?)'");
        Matcher matcher = pattern.matcher(in);
        if (matcher.find()) {
            return of(matcher.group(1));
        }
        pattern = Pattern.compile(attribute + "=\"([^\"]+?)\"");
        matcher = pattern.matcher(in);
        if (matcher.find()) {
            return of(matcher.group(1));
        }
        return absent();
    }

    public static Optional<String> findAttribute(XMLStreamReader in,
            String attribute) {
        return fromNullable(in.getAttributeValue("", attribute));
    }

    public static String asString(XMLStreamReader xmlr) throws Exception {
        Transformer transformer = TransformerFactory.newInstance()
                .newTransformer();
        StringWriter stringWriter = new StringWriter();
        transformer.transform(new StAXSource(xmlr), new StreamResult(
                stringWriter));
        return stringWriter.toString();
    }
}

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2. getAsXMLString(final Node node)
3. getBeanDefinition(String beanId, File file)
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6. getNode(String text)
7. getNotFoundXmlForObjectId(final String pid, final String detailCode, final String description)
8. getOutputMimeType(String xslName)
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