269 lines
9.3 KiB
Java
269 lines
9.3 KiB
Java
package org.gcube.portlets.user.workspace.server.reader;
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import static org.gcube.resources.discovery.icclient.ICFactory.client;
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import java.io.StringReader;
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import java.util.List;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.apache.commons.lang.StringUtils;
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import org.gcube.common.resources.gcore.utils.XPathHelper;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.Query;
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import org.gcube.resources.discovery.client.queries.impl.QueryBox;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.w3c.dom.Node;
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import org.xml.sax.InputSource;
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/**
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* The Class UriResolverMapReader.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* May 4, 2015
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*/
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public class ApplicationProfileReader {
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/**
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*
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*/
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public static final String SECONDARY_TYPE = "ApplicationProfile";
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public static final String WORKSPACE_EXPLORER_APP_NAME = "Workspace-Explorer-App";
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protected static final String RESOURCE_PROFILE_BODY_END_POINT_URL_TEXT = "/Resource/Profile/Body/EndPoint/URL/text()";
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protected static final String RESOURCE_PROFILE_BODY_END_POINT_SCOPE_TEXT = "/Resource/Profile/Body/EndPoint/Scope/text()";
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protected static final String RESOURCE_PROFILE_BODY_TEXT = "/Resource/Profile/Body/text()";
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protected static final String RESOURCE_PROFILE_BODY_THUMBNAIL_URL_TEXT = "/Resource/Profile/Body/ThumbnailURL/text()";
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protected static final String RESOURCE_PROFILE_BODY_APP_ID_TEXT = "/Resource/Profile/Body/AppId/text()";
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protected static final String RESOURCE_PROFILE_DESCRIPTION_TEXT = "/Resource/Profile/Description/text()";
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protected static final String RESOURCE_PROFILE_NAME_TEXT = "/Resource/Profile/Name/text()";
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// private Logger logger = LoggerFactory.getLogger(UriResolverMapReader.class);
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//TODO TEMP SOLUTION IN ORDER TO PRINT USING ALSO LOG4J INTO GEOEXPLORER PORTLET
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private Logger logger = LoggerFactory.getLogger(ApplicationProfileReader.class);
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private String secondaryType;
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private String scope;
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private String resourceName;
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private String appID;
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/**
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* Instantiates a new application profile reader.
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*
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* @param resourceName the resource name
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* @param appID the app id
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* @throws Exception the exception
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*/
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public ApplicationProfileReader(String resourceName, String appID) throws Exception {
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this.resourceName = resourceName;
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this.appID = appID;
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this.secondaryType = SECONDARY_TYPE;
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this.scope = ScopeProvider.instance.get();
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}
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/**
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* this method looks up the generic resource among the ones available in the infrastructure using scope provider {@link ScopeProvider.instance.get()}
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* resource name {@value #WORKSPACE_EXPLORER_APP_NAME} and secondaryType {@value #SECONDARY_TYPE}
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*
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* @return the applicationProfile profile
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* @throws Exception the exception
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*/
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/**
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* this method looks up the applicationProfile profile among the ones available in the infrastructure.
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*
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* @return the applicationProfile profile
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*/
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public ApplicationProfile readProfileFromInfrastrucure() {
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ApplicationProfile appProf = new ApplicationProfile();
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String queryString = getGcubeGenericQueryString(secondaryType, appID);
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String originalScope = null;
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try {
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if(scope==null)
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throw new Exception("Scope is null, set scope into ScopeProvider");
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logger.info("Trying to fetch ApplicationProfile in the scope: "+scope+", SecondaryType: " + secondaryType + ", AppId: " + appID);
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Query q = new QueryBox(queryString);
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DiscoveryClient<String> client = client();
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List<String> appProfile = client.submit(q);
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if (appProfile == null || appProfile.size() == 0)
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throw new ApplicationProfileNotFoundException("ApplicationProfile with SecondaryType: " + secondaryType + ", AppId: " + appID +" is not registered in the scope: "+scope);
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else {
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String elem = appProfile.get(0);
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DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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Node node = docBuilder.parse(new InputSource(new StringReader(elem))).getDocumentElement();
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XPathHelper helper = new XPathHelper(node);
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List<String> currValue = null;
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currValue = helper.evaluate(RESOURCE_PROFILE_NAME_TEXT);
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if (currValue != null && currValue.size() > 0) {
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appProf.setName(currValue.get(0));
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}
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else throw new ApplicationProfileNotFoundException("Your applicationProfile NAME was not found in the profile");
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currValue = helper.evaluate(RESOURCE_PROFILE_DESCRIPTION_TEXT);
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if (currValue != null && currValue.size() > 0) {
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appProf.setDescription(currValue.get(0));
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}
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else logger.warn("No Description exists for " + appProf.getName());
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currValue = helper.evaluate(RESOURCE_PROFILE_BODY_APP_ID_TEXT);
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if (currValue != null && currValue.size() > 0) {
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appProf.setKey(currValue.get(0));
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}
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else throw new ApplicationProfileNotFoundException("Your applicationProfile ID n was not found in the profile, consider adding <AppId> element in <Body>");
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currValue = helper.evaluate(RESOURCE_PROFILE_BODY_THUMBNAIL_URL_TEXT);
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if (currValue != null && currValue.size() > 0) {
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appProf.setImageUrl(currValue.get(0));
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}
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else{
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logger.warn("Null or empty <ThumbnailURL> element in <Body>" + appProf.getName());
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}
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currValue = helper.evaluate("/Resource/Profile/Body/EndPoint[Scope='"+scope.toString()+"']/Scope/text()");
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if (currValue != null && currValue.size() > 0) {
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List<String> scopes = currValue;
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String currentScope = scopes.get(0);
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int slashCount = StringUtils.countMatches(currentScope, "/");
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if(slashCount < 3){//CASE not VRE - set session scope
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logger.info("Scope "+ scope.toString() + " is not a VRE");
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List<String> listSessionScope = helper.evaluate("/Resource/Profile/Body/EndPoint[Scope='"+scope.toString()+"']/Sessionscope/text()"); //get session scope of i+1-mo scope
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if(listSessionScope!=null && listSessionScope.size()>0){ //If sessions scope exists
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logger.trace("setting session scope "+ listSessionScope.get(0));
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appProf.setScope(listSessionScope.get(0));
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}
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else{
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logger.trace("session scope not exists setting scope "+ scope.toString());
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appProf.setScope(scope.toString());
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}
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}
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else{ //CASE IS A VRE
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logger.info("Scope "+ scope.toString() + " is a VRE");
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appProf.setScope(scope.toString());
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}
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//RETRIEVE URL
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currValue = helper.evaluate("/Resource/Profile/Body/EndPoint[Scope='"+scope.toString()+"']/URL/text()");
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if (currValue != null && currValue.size() > 0) {
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String url = currValue.get(0);
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// System.out.println("URL "+url);
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if(url!=null)
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appProf.setUrl(url);
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else
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throw new ApplicationProfileNotFoundException("Your applicationProfile URL was not found in the profile for Scope: " + scope.toString());
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}
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else throw new ApplicationProfileNotFoundException("Your applicationProfile URL was not found in the profile for Scope: " + scope.toString());
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}
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else throw new ApplicationProfileNotFoundException("Your applicationProfile with scope "+scope.toString()+" was not found in the profile, consider adding <EndPoint><Scope> element in <Body>");
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return appProf;
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}
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} catch (Exception e) {
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logger.error("Error while trying to fetch applicationProfile profile from the infrastructure", e);
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return null;
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}finally{
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if(originalScope!=null && !originalScope.isEmpty()){
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ScopeProvider.instance.set(originalScope);
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logger.info("scope provider setted to orginal scope: "+originalScope);
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}else{
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ScopeProvider.instance.reset();
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logger.info("scope provider reset");
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}
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}
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}
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public static String getGcubeGenericQueryString(String secondaryType, String appId){
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return "for $profile in collection('/db/Profiles/GenericResource')//Resource " +
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"where $profile/Profile/SecondaryType/string() eq '"+secondaryType+"' and $profile/Profile/Body/AppId/string() " +
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" eq '" + appId + "'" +
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"return $profile";
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}
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/**
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* Gets the secondary type.
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*
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* @return the secondary type
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*/
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public String getSecondaryType() {
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return secondaryType;
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}
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/**
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* Gets the scope.
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*
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* @return the scope
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*/
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public String getScope() {
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return scope;
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}
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/**
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* Gets the resource name.
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*
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* @return the resource name
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*/
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public String getResourceName() {
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return resourceName;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("ApplicationProfileReader [secondaryType=");
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builder.append(secondaryType);
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builder.append(", scope=");
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builder.append(scope);
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builder.append(", resourceName=");
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builder.append(resourceName);
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builder.append(", appID=");
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builder.append(appID);
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builder.append("]");
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return builder.toString();
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}
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// public static void main(String[] args) {
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//
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// try {
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// ScopeProvider.instance.set("/gcube");
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// ApplicationProfileReader ap = new ApplicationProfileReader("Workspace-Explorer-App", "org.gcube.portlets.user.workspaceexplorerapp.server.WorkspaceExplorerAppServiceImpl");
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// System.out.println(ap.readProfileFromInfrastrucure());
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// }
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// catch (Exception e) {
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// // TODO Auto-generated catch block
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// e.printStackTrace();
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// }
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//
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//
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// }
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}
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