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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.define.report.internal.wordupdate;
import java.net.URLDecoder;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.GUID;
import org.eclipse.osee.framework.jdk.core.util.Strings;
/**
* @author Roberto E. Escobar
*/
public final class OseeLinkParser {
private static final Matcher LEGACY_MATCHER = Pattern.compile("/(.*?)/guid/(.*?)/(.*)").matcher("");
private static final Matcher LINK_CONTEXT_MATCHER = Pattern.compile("/(.*?)\\?(.*)").matcher("");
private static final Matcher PARAMETER_MATCHER = Pattern.compile("([^&]*?)=([^&]*)").matcher("");
private final Map<String, String> parameterMap;
public OseeLinkParser() {
this.parameterMap = new HashMap<>();
}
public void parse(String link) {
parameterMap.clear();
link = link.replaceAll("&", "&");
boolean wasHandled = parseOldSchoolStyleLinks(link);
if (!wasHandled) {
parseNewStyleRequests(link);
}
}
public int getId() throws OseeCoreException {
int branchUuid = -1;
if (parameterMap != null) {
String branchUuidStr = parameterMap.get("branchUuid");
if (Strings.isValid(branchUuidStr)) {
try {
branchUuid = Integer.parseInt(branchUuidStr);
} catch (Exception ex) {
OseeExceptions.wrapAndThrow(ex);
}
}
}
return branchUuid;
}
public String getGuid() throws OseeCoreException {
String guidToReturn = null;
if (parameterMap != null) {
String guid = parameterMap.get("guid");
if (Strings.isValid(guid)) {
if (!GUID.isValid(guid)) {
try {
guid = URLDecoder.decode(guid, "UTF-8");
if (GUID.isValid(guid)) {
guidToReturn = guid;
}
} catch (Exception ex) {
OseeExceptions.wrapAndThrow(ex);
}
} else {
guidToReturn = guid;
}
}
}
return guidToReturn;
}
/**
* Process new style requests are of the following format:
* http://127.0.0.1:<port>/<ProcessType>?key1=value1&key2=value2...&key3=value3
*/
private void parseNewStyleRequests(String link) {
String noHostStr = link.replaceFirst("^http:\\/\\/(.*?)\\/", "/");
Matcher matcher = LINK_CONTEXT_MATCHER;
matcher.reset(noHostStr);
if (matcher.matches()) {
Matcher dataMatcher = PARAMETER_MATCHER;
dataMatcher.reset(matcher.group(2));
while (dataMatcher.find()) {
parameterMap.put(dataMatcher.group(1), dataMatcher.group(2));
}
}
}
/**
* Process old format: http://127.0.0.1:<port>/get/guid/<guid>/<ats,Define> old format should be removed once all
* legacy references are change to new format
*/
private boolean parseOldSchoolStyleLinks(String link) {
boolean wasHandled = false;
Matcher oldMatcher = LEGACY_MATCHER;
oldMatcher.reset(link);
if (oldMatcher.find()) {
wasHandled = true;
String guid = oldMatcher.group(2);
if (oldMatcher.groupCount() > 2) {
String processType = oldMatcher.group(3);
if (processType.equals("ats")) {
parameterMap.put("guid", guid);
} else if (processType.equals("Define") || processType.equals("")) {
parameterMap.put("guid", guid);
} else if (GUID.isValid(guid)) {
parameterMap.put("guid", guid);
}
}
}
return wasHandled;
}
}
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