1 package com.indexdata.mkjsf.pazpar2.data;
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3 import java.io.IOException;
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4 import java.io.Serializable;
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5 import java.io.UnsupportedEncodingException;
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6 import java.util.List;
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7 import java.util.Map;
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8 import java.util.concurrent.ConcurrentHashMap;
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10 import javax.enterprise.context.SessionScoped;
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11 import javax.faces.context.ExternalContext;
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12 import javax.faces.context.FacesContext;
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13 import javax.inject.Named;
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15 import org.apache.log4j.Logger;
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17 import com.indexdata.mkjsf.errors.ErrorHelper;
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18 import com.indexdata.mkjsf.errors.ErrorInterface;
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19 import com.indexdata.mkjsf.pazpar2.data.sp.SpResponseDataObject;
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20 import com.indexdata.mkjsf.pazpar2.data.sp.SpResponses;
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21 import com.indexdata.mkjsf.utils.Utils;
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24 * Provides references to all current data objects and has general methods for clearing certain response data.
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26 * @author Niels Erik
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29 @SessionScoped @Named
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30 public class Responses implements Serializable {
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32 private static final long serialVersionUID = -7543231258346154642L;
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33 protected Map<String,ResponseDataObject> dataObjects = new ConcurrentHashMap<String,ResponseDataObject>();
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34 private static Logger logger = Logger.getLogger(Responses.class);
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35 private ErrorHelper errorHelper = null;
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36 private SpResponses sp = null;
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38 public Responses() {
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41 public void put(String name, ResponseDataObject responseData) {
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42 dataObjects.put(name, responseData);
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45 public void setErrorHelper(ErrorHelper helper) {
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46 this.errorHelper = helper;
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49 public boolean hasApplicationError () {
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50 if (getSearch().hasApplicationError()) {
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51 logger.info("Error detected in search");
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54 for (String name : dataObjects.keySet()) {
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55 if (dataObjects.get(name).hasApplicationError()) {
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56 if (dataObjects.get(name) instanceof SpResponseDataObject &&
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57 ((SpResponseDataObject)dataObjects.get(name)).unsupportedCommand()) {
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58 logger.debug("Command [" + name + "] not supported by this service");
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60 logger.info("Error detected in " + name);
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69 * Returns a search command error, if any, otherwise the first
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70 * error found for an arbitrary command, if any, otherwise
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71 * an empty dummy error.
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73 public ErrorInterface getCommandError() {
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74 CommandError error = new CommandError();
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75 if (dataObjects.get("search").hasApplicationError()) {
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76 error = dataObjects.get("search").getApplicationError();
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77 error.setErrorHelper(errorHelper);
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79 for (String name : dataObjects.keySet()) {
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80 if (dataObjects.get(name).hasApplicationError()) {
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81 error = dataObjects.get(name).getApplicationError();
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82 error.setErrorHelper(errorHelper);
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91 * Empties all data objects populated after a search (including the search response itself)
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94 public void resetSearchAndBeyond() {
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95 logger.debug("Resetting show,stat,termlist,bytarget,record,search response objects.");
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96 dataObjects.put("show", new ShowResponse());
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97 dataObjects.put("stat", new StatResponse());
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98 dataObjects.put("termlist", new TermListsResponse());
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99 dataObjects.put("bytarget", new ByTargetResponse());
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100 dataObjects.put("record", new RecordResponse());
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101 dataObjects.put("search", new SearchResponse());
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102 getSp().resetSearchAndBeyond(false);
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106 * Empties all data objects populated after a service was initialized, including the init response itself
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107 * but excluding a possible auth response
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109 public void resetInitAndBeyond () {
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110 dataObjects.put("init", new InitResponse());
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111 resetSearchAndBeyond();
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112 getSp().resetInitAndBeyond(false);
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115 public InitResponse getInit () {
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116 return ((InitResponse) dataObjects.get("init"));
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119 public ShowResponse getShow () {
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120 return ((ShowResponse) dataObjects.get("show"));
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123 public StatResponse getStat () {
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124 return ((StatResponse) dataObjects.get("stat"));
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127 public RecordResponse getRecord() {
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128 return ((RecordResponse) dataObjects.get("record"));
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131 public SearchResponse getSearch() {
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132 return ((SearchResponse) dataObjects.get("search"));
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135 public TermListsResponse getTermLists () {
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136 return ((TermListsResponse) dataObjects.get("termlist"));
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139 public List<TermResponse> getFacetTerms (String facet, int count) {
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140 return (getTermLists().getTermList(facet).getTerms(count));
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143 public List<TermResponse> getFacetTerms (String facet) {
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144 return (getTermLists().getTermList(facet).getTerms());
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147 public ByTargetResponse getByTarget() {
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148 return ((ByTargetResponse) dataObjects.get("bytarget"));
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151 public InfoResponse getInfo() {
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152 return ((InfoResponse) dataObjects.get("info"));
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155 public ResponseDataObject getResponseObject (String name) {
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156 return dataObjects.get(name);
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159 public boolean hasRecords () {
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160 return getStat().getRecords() > 0
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161 && getShow().getHits() != null
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162 && getShow().getHits().size()>0;
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165 public String getActiveClients() {
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166 if (getShow()!=null && getShow().getActiveClients().length()>0) {
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167 logger.debug("Active clients: "+getShow().getActiveClients());
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168 return String.valueOf(
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169 Math.max(Integer.parseInt(getShow().getActiveClients()),
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170 getStat().getActiveClients()));
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176 public void download(String commandName) throws UnsupportedEncodingException, IOException {
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177 logger.info(Utils.objectId(this) + " got a download request for "
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179 ResponseDataObject object = dataObjects.get(commandName);
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180 FacesContext facesContext = FacesContext.getCurrentInstance();
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181 ExternalContext externalContext = facesContext.getExternalContext();
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182 if (object.getIsBinary()) {
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183 externalContext.setResponseHeader("Content-Type","application/octet-stream");
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184 externalContext.setResponseHeader("Content-Length",String.valueOf(object.getBinary().length));
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185 externalContext.setResponseHeader("Content-Disposition","attachment;filename=\"" + commandName + ".data\"");
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186 externalContext.getResponseOutputStream().write(object.getBinary());
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188 externalContext.setResponseHeader("Content-Type","application/xml; charset=\"utf-8\"");
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189 externalContext.setResponseHeader("Content-Length",String.valueOf(dataObjects.get(commandName).getXml().getBytes("UTF-8").length));
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190 externalContext.setResponseHeader("Content-Disposition","attachment;filename=\"" + commandName + ".xml\"");
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191 externalContext.getResponseOutputStream().write(dataObjects.get(commandName).getXml().getBytes("UTF-8"));
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193 facesContext.responseComplete();
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196 public SpResponses getSp() {
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197 return (sp == null ? new SpResponses(this) : sp);
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