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jshum2479jshum2479
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add utility classes
Former-commit-id: 0319f2023f9a707869e5db8a5df2f094d9526e08
1 parent 7fcd3d4 commit eb0b17e

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4 files changed

+222
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‎pom.xml

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@@ -17,7 +17,13 @@
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>4.5.5</version>
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<version>4.5.6</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>fluent-hc</artifactId>
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<version>4.5.6</version>
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</dependency>
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</dependencies>
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</project>

‎src/main/java/com/oracle/weblogicx/imagebuilder/builder/util/ARUUtil.java

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package com.oracle.weblogicx.imagebuilder.builder.util;
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import java.io.IOException;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.xpath.XPathExpressionException;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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public class ARUUtil {
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public void getAllWLSReleases(String userId, String password) throws IOException {
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getAllReleases("wls", userId, password);
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}
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public void getLatestWLSPatches(String version, String userId, String password) throws IOException {
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getLatestReleases("wls", version, userId, password);
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}
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private Document getAllReleases(String category, String userId, String password) throws IOException {
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//HTTP_STATUS=$(curl -v -w "%{http_code}" -b cookies.txt -L --header 'Authorization: Basic ${basicauth}'
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// "https://updates.oracle.com/Orion/Services/metadata?table=aru_releases" -o allarus.xml)
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Document allReleases = HttpUtil.getXMLContent("https://updates.oracle"
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+ ".com/Orion/Services/metadata?table=aru_releases");
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try {
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String expression;
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if ("wls".equalsIgnoreCase("wls")) {
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expression = "/results/release[starts-with(text(), 'Oracle WebLogic Server')]";
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} else {
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expression = "";
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}
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NodeList nodeList = XPathUtil.applyXPathReturnNodeList(allReleases, expression);
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DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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DocumentBuilder builder = dbf.newDocumentBuilder();
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Document doc = builder.newDocument();
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Element element = doc.createElement("results");
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doc.appendChild(element);
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for (int i = 0; i < nodeList.getLength(); i++) {
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element.appendChild(nodeList.item(0));
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}
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return doc;
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} catch (XPathExpressionException | ParserConfigurationException xpe) {
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throw new IOException(xpe);
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}
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}
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private void getLatestReleases(String category, String version, String userId, String password) throws IOException {
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// HTTP_STATUS=$(curl -v -w "%{http_code}" -b cookies.txt -L --header 'Authorization: Basic ${basicauth}' "https://updates.oracle.com/Orion/Services/search?product=15991&release=$releaseid&include_prereqs=true" -o latestpsu.xml)
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Document allPatches = HttpUtil.getXMLContent("https://updates.oracle"
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+ ".com/Orion/Services/search?product=15991&release=" + version);
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try {
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String downLoadLink = XPathUtil.applyXPathReturnString(allPatches, "string"
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+ "(/results/patch[1]/files/file/download_url/text())");
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String doloadHost = XPathUtil.applyXPathReturnString(allPatches, "string"
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+ "(/results/patch[1]/files/file/download_url/@host)");
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HttpUtil.downloadFile(doloadHost+downLoadLink, "todo");
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} catch (XPathExpressionException xpe) {
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throw new IOException(xpe);
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}
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}
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}
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‎src/main/java/com/oracle/weblogicx/imagebuilder/builder/util/HttpUtil.java

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package com.oracle.weblogicx.imagebuilder.builder.util;
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import java.io.File;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.StatusLine;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.HttpResponseException;
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import org.apache.http.client.ResponseHandler;
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import org.apache.http.client.fluent.Request;
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import org.apache.http.entity.ContentType;
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import org.apache.http.protocol.HTTP;
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import org.w3c.dom.Document;
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import org.xml.sax.SAXException;
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public class HttpUtil {
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public static Document getXMLContent(String url) throws IOException {
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Document result = Request.Get(url)
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.execute().handleResponse(new ResponseHandler<Document>() {
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public Document handleResponse(final HttpResponse response) throws IOException {
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StatusLine statusLine = response.getStatusLine();
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HttpEntity entity = response.getEntity();
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if (statusLine.getStatusCode() >= 300) {
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throw new HttpResponseException(
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statusLine.getStatusCode(),
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statusLine.getReasonPhrase());
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}
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if (entity == null) {
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throw new ClientProtocolException("Response contains no content");
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}
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DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance();
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try {
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DocumentBuilder docBuilder = dbfac.newDocumentBuilder();
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ContentType contentType = ContentType.getOrDefault(entity);
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if (!contentType.equals(ContentType.APPLICATION_XML)) {
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throw new ClientProtocolException("Unexpected content type:" +
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contentType);
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}
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String charset = contentType.getCharset().toString();
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if (charset == null) {
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charset = HTTP.DEFAULT_CONTENT_CHARSET;
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}
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return docBuilder.parse(entity.getContent(), charset);
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} catch (ParserConfigurationException ex) {
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throw new IllegalStateException(ex);
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} catch (SAXException ex) {
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throw new ClientProtocolException("Malformed XML document", ex);
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}
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}
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});
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return result;
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}
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public static void downloadFile(String url, String destination) throws IOException {
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Request.Get(url)
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.connectTimeout(1000)
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.socketTimeout(1000)
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.execute().saveContent(new File(destination));
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}
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}

‎src/main/java/com/oracle/weblogicx/imagebuilder/builder/util/XPathUtil.java

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package com.oracle.weblogicx.imagebuilder.builder.util;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathExpressionException;
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import javax.xml.xpath.XPathFactory;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.xml.sax.SAXException;
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public class XPathUtil {
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public static NodeList applyXPathReturnNodeList(Document doc, String expression) throws XPathExpressionException {
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XPathFactory factory = XPathFactory.newInstance();
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XPath xpath = factory.newXPath();
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NodeList nodeList;
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nodeList = (NodeList) xpath.evaluate(expression, doc, XPathConstants.NODESET);
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return nodeList;
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}
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public static String applyXPathReturnString(Document doc, String expression) throws XPathExpressionException {
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XPathFactory factory = XPathFactory.newInstance();
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XPath xpath = factory.newXPath();
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return (String)xpath.evaluate(expression, doc, XPathConstants.NODESET);
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}
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}

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