[507] | 1 | package gov.hhs.fha.nhinc.gateway.aggregator.model;
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| 2 |
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| 3 | import gov.hhs.fha.nhinc.gateway.aggregator.AggregatorException;
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| 4 |
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| 5 | /**
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| 6 | * This represents the fields that make up the message key
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| 7 | * that identifies a single document query record in the
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| 8 | * aggregator message results table.
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| 9 | *
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| 10 | * @author Les Westberg
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| 11 | */
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| 12 | public class DocQueryMessageKey
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| 13 | {
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| 14 | private static final String DOC_QUERY_TAG = "DocQuery";
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| 15 | private static final String DOC_QUERY_TAG_START = "<" + DOC_QUERY_TAG + ">";
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| 16 | private static final String DOC_QUERY_TAG_END = "</" + DOC_QUERY_TAG + ">";
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| 17 | private static final String HOME_COMMUNITY_ID_TAG = "HomeCommunityId";
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| 18 | private static final String HOME_COMMUNITY_ID_TAG_START = "<" + HOME_COMMUNITY_ID_TAG + ">";
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| 19 | private static final String HOME_COMMUNITY_ID_TAG_END = "</" + HOME_COMMUNITY_ID_TAG + ">";
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| 20 | private static final String ASSIGNING_AUTHORITY_TAG = "AssigningAuthority";
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| 21 | private static final String ASSIGNING_AUTHORITY_TAG_START = "<" + ASSIGNING_AUTHORITY_TAG + ">";
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| 22 | private static final String ASSIGNING_AUTHORITY_TAG_END = "</" + ASSIGNING_AUTHORITY_TAG + ">";
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| 23 | private static final String PATIENT_ID_TAG = "PatientId";
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| 24 | private static final String PATIENT_ID_TAG_START = "<" + PATIENT_ID_TAG + ">";
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| 25 | private static final String PATIENT_ID_TAG_END = "</" + PATIENT_ID_TAG + ">";
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| 26 |
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| 27 | // Private member variables
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| 28 | //-------------------------
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| 29 | private String homeCommunityId;
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| 30 | private String assigningAuthority;
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| 31 | private String patientId;
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| 32 |
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| 33 | /**
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| 34 | * Default constructor.
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| 35 | */
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| 36 | public DocQueryMessageKey()
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| 37 | {
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| 38 | clear();
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| 39 | }
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| 40 |
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| 41 | /**
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| 42 | * This method takes the information in a formatted message key and
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| 43 | * creates an object with that information. This key should be one
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| 44 | * that was created by this class. (or at least exactly formatted
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| 45 | * that way).
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| 46 | *
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| 47 | * @param sMessageKey The message key as formatted by calling the
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| 48 | * creatingXMLMessageKey.
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| 49 | * @throws AggregatorException This is thrown if the format of the XML message
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| 50 | * is not correct.
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| 51 | */
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| 52 | public DocQueryMessageKey(String sMessageKey)
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| 53 | throws AggregatorException
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| 54 | {
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| 55 | // Since this is a simple XML that is in a controlled format -
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| 56 | // It is easiest to just pull out the fields by hand-parsing...
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| 57 | //-------------------------------------------------------------
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| 58 | parseXMLMessageKey(sMessageKey);
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| 59 | }
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| 60 |
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| 61 | /**
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| 62 | * Clear the ocntents of this object
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| 63 | */
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| 64 | public void clear()
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| 65 | {
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| 66 | homeCommunityId = "";
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| 67 | assigningAuthority = "";
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| 68 | patientId = "";
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * Return the assigning authority.
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| 73 | *
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| 74 | * @return The assigning authority.
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| 75 | */
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| 76 | public String getAssigningAuthority()
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| 77 | {
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| 78 | return assigningAuthority;
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| 79 | }
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| 80 |
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| 81 | /**
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| 82 | * Sets the assigning authority.
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| 83 | *
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| 84 | * @param assigningAuthority The assigning authority.
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| 85 | */
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| 86 | public void setAssigningAuthority(String assigningAuthority)
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| 87 | {
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| 88 | this.assigningAuthority = assigningAuthority;
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| 89 | }
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| 90 |
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| 91 | /**
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| 92 | * Return the home community ID. Note if this has not been set,
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| 93 | * then a look up will be done to retrieve it based on
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| 94 | * assigning authority.
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| 95 | *
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| 96 | * @return The home community ID.
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| 97 | */
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| 98 | public String getHomeCommunityId()
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| 99 | {
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| 100 | return homeCommunityId;
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| 101 | }
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| 102 |
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| 103 | /**
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| 104 | * Sets the home community ID. Note if this has not been set,
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| 105 | * then a look up will be done to retrieve it based on
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| 106 | * assigning authority.
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| 107 | *
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| 108 | * @param homeCommunityId The home community ID.
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| 109 | */
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| 110 | public void setHomeCommunityId(String homeCommunityId)
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| 111 | {
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| 112 | this.homeCommunityId = homeCommunityId;
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| 113 | }
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| 114 |
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| 115 | /**
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| 116 | * Returns the patient Id.
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| 117 | *
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| 118 | * @return The patient Id.
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| 119 | */
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| 120 | public String getPatientId()
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| 121 | {
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| 122 | return patientId;
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| 123 | }
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| 124 |
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| 125 | /**
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| 126 | * Sets the patient Id.
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| 127 | *
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| 128 | * @param patientId The patient Id.
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| 129 | */
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| 130 | public void setPatientId(String patientId)
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| 131 | {
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| 132 | this.patientId = patientId;
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| 133 | }
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| 134 |
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| 135 | /**
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| 136 | * This method creates the XML Message Key that will be stored in the
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| 137 | * MessageKey field of the AGGREGATOR.AGG_MESSAGE_RESULTS table.
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| 138 | *
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| 139 | * @return The XML key that is created based on the fields in this object.
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| 140 | */
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| 141 | public String createXMLMessageKey()
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| 142 | {
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| 143 | String sAssigningAuthority = "";
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| 144 | String sHomeCommunityId = "";
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| 145 | String sPatientId = "";
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| 146 |
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| 147 | if (assigningAuthority != null)
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| 148 | {
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| 149 | sAssigningAuthority = assigningAuthority.trim();
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| 150 | }
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| 151 |
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| 152 | if (homeCommunityId != null)
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| 153 | {
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| 154 | // Right now the assigning authority and home community are the same.
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| 155 | // When this work gets done, we will need to
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| 156 | //-------------------------------------------------------------------
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| 157 | if (homeCommunityId.trim().length() <= 0)
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| 158 | {
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| 159 | sHomeCommunityId = sAssigningAuthority;
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| 160 | }
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| 161 | else
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| 162 | {
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| 163 | sHomeCommunityId = homeCommunityId.trim();
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| 164 | }
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| 165 | }
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| 166 |
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| 167 | if (patientId != null)
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| 168 | {
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| 169 | sPatientId = patientId.trim();
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| 170 | }
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| 171 |
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| 172 | String sKey = DOC_QUERY_TAG_START +
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| 173 | HOME_COMMUNITY_ID_TAG_START + sHomeCommunityId + HOME_COMMUNITY_ID_TAG_END +
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| 174 | ASSIGNING_AUTHORITY_TAG_START + sAssigningAuthority + ASSIGNING_AUTHORITY_TAG_END +
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| 175 | PATIENT_ID_TAG_START + sPatientId + PATIENT_ID_TAG_END +
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| 176 | DOC_QUERY_TAG_END;
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| 177 |
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| 178 | return sKey;
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| 179 | }
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| 180 |
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| 181 | /**
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| 182 | * Since this is a simple XML that is in a controlled format -
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| 183 | * It is easiest to just pull out the fields by hand-parsing...
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| 184 | *
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| 185 | * @param sMessageKey The XML string key containing the data.
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| 186 | * @throws AggregatorException This is thrown if the format of the XML message
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| 187 | * is not correct.
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| 188 | */
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| 189 | public void parseXMLMessageKey(String sMessageKey)
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| 190 | throws AggregatorException
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| 191 | {
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| 192 | int iStartIdx = 0;
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| 193 | int iEndIdx = 0;
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| 194 |
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| 195 | // Get the Home community
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| 196 | //------------------------
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| 197 | iStartIdx = sMessageKey.indexOf(HOME_COMMUNITY_ID_TAG_START);
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| 198 | if (iStartIdx >= 0)
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| 199 | {
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| 200 | iStartIdx += HOME_COMMUNITY_ID_TAG_START.length();
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| 201 | }
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| 202 | else
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| 203 | {
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| 204 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 205 | }
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| 206 |
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| 207 | iEndIdx = sMessageKey.indexOf(HOME_COMMUNITY_ID_TAG_END);
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| 208 | if (iEndIdx > 0)
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| 209 | {
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| 210 | homeCommunityId = sMessageKey.substring(iStartIdx, iEndIdx);
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| 211 | }
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| 212 | else
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| 213 | {
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| 214 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 215 | }
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| 216 |
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| 217 | // Get the Assigning Authority
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| 218 | //-----------------------------
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| 219 | iStartIdx = sMessageKey.indexOf(ASSIGNING_AUTHORITY_TAG_START);
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| 220 | if (iStartIdx >= 0)
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| 221 | {
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| 222 | iStartIdx += ASSIGNING_AUTHORITY_TAG_START.length();
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| 223 | }
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| 224 | else
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| 225 | {
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| 226 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 227 | }
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| 228 |
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| 229 | iEndIdx = sMessageKey.indexOf(ASSIGNING_AUTHORITY_TAG_END);
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| 230 | if (iEndIdx > 0)
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| 231 | {
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| 232 | assigningAuthority = sMessageKey.substring(iStartIdx, iEndIdx);
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| 233 | }
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| 234 | else
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| 235 | {
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| 236 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 237 | }
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| 238 |
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| 239 | // Get the Patient Id
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| 240 | //-------------------
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| 241 | iStartIdx = sMessageKey.indexOf(PATIENT_ID_TAG_START);
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| 242 | if (iStartIdx >= 0)
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| 243 | {
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| 244 | iStartIdx += PATIENT_ID_TAG_START.length();
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| 245 | }
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| 246 | else
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| 247 | {
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| 248 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 249 | }
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| 250 |
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| 251 | iEndIdx = sMessageKey.indexOf(PATIENT_ID_TAG_END);
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| 252 | if (iEndIdx > 0)
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| 253 | {
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| 254 | patientId = sMessageKey.substring(iStartIdx, iEndIdx);
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| 255 | }
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| 256 | else
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| 257 | {
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| 258 | throw new AggregatorException("Format of DocQueryMessageKey was invalid. MessageKey = '" + sMessageKey + "'");
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| 259 | }
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| 260 | }
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| 261 |
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| 262 | }
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