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Merge pull request palladiumkenya#1837 from ojwanganto/feat/sql-query…
…-endpoint (feat) add sql query endpoint
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39 changes: 39 additions & 0 deletions
39
api/src/main/java/org/openmrs/module/kenyaemr/model/AdditionalSearchParam.java
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| @@ -0,0 +1,39 @@ | ||
| /** | ||
| * This Source Code Form is subject to the terms of the Mozilla Public License, | ||
| * v. 2.0. If a copy of the MPL was not distributed with this file, You can | ||
| * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under | ||
| * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. | ||
| * | ||
| * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS | ||
| * graphic logo is a trademark of OpenMRS Inc. | ||
| */ | ||
| package org.openmrs.module.kenyaemr.model; | ||
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| public class AdditionalSearchParam { | ||
| private String additionalSearchHandler; | ||
| private String tests; | ||
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| public AdditionalSearchParam(String additionalSearchHandler, String tests) { | ||
| this.additionalSearchHandler = additionalSearchHandler; | ||
| this.tests = tests; | ||
| } | ||
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| public AdditionalSearchParam() { | ||
| } | ||
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| public String getAdditionalSearchHandler() { | ||
| return additionalSearchHandler; | ||
| } | ||
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| public void setAdditionalSearchHandler(String additionalSearchHandler) { | ||
| this.additionalSearchHandler = additionalSearchHandler; | ||
| } | ||
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| public String getTests(){ | ||
| return tests; | ||
| } | ||
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| public void setTests(String tests){ | ||
| this.tests = tests; | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
api/src/main/java/org/openmrs/module/kenyaemr/util/RowMapper.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,35 @@ | ||
| /** | ||
| * This Source Code Form is subject to the terms of the Mozilla Public License, | ||
| * v. 2.0. If a copy of the MPL was not distributed with this file, You can | ||
| * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under | ||
| * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. | ||
| * | ||
| * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS | ||
| * graphic logo is a trademark of OpenMRS Inc. | ||
| */ | ||
| package org.openmrs.module.kenyaemr.util; | ||
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| import org.openmrs.module.webservices.rest.SimpleObject; | ||
| import org.springframework.jdbc.support.JdbcUtils; | ||
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| import java.sql.ResultSet; | ||
| import java.sql.ResultSetMetaData; | ||
| import java.sql.SQLException; | ||
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| public class RowMapper { | ||
| public SimpleObject mapRow(ResultSet rs) throws SQLException { | ||
| SimpleObject row = new SimpleObject(); | ||
| ResultSetMetaData rsmd = rs.getMetaData(); | ||
| int columnCount = rsmd.getColumnCount(); | ||
| for (int index = 1; index <= columnCount; index++) { | ||
| String column = JdbcUtils.lookupColumnName(rsmd, index); | ||
| Object value = rs.getObject(column); | ||
| if (value == null) { | ||
| row.put(column, ""); | ||
| } else { | ||
| row.put(column, value); | ||
| } | ||
| } | ||
| return row; | ||
| } | ||
| } |
143 changes: 143 additions & 0 deletions
143
api/src/main/java/org/openmrs/module/kenyaemr/util/SqlQueryHelper.java
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| @@ -0,0 +1,143 @@ | ||
| package org.openmrs.module.kenyaemr.util; | ||
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| /** | ||
| * This Source Code Form is subject to the terms of the Mozilla Public License, | ||
| * v. 2.0. If a copy of the MPL was not distributed with this file, You can | ||
| * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under | ||
| * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. | ||
| * | ||
| * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS | ||
| * graphic logo is a trademark of OpenMRS Inc. | ||
| */ | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.log4j.LogManager; | ||
| import org.apache.log4j.Logger; | ||
| import org.codehaus.jackson.map.ObjectMapper; | ||
| import org.openmrs.module.kenyaemr.model.AdditionalSearchParam; | ||
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| import java.io.IOException; | ||
| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.SQLException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
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| /** | ||
| * Handler for raw SQL | ||
| */ | ||
| public class SqlQueryHelper { | ||
| private final Pattern paramPlaceHolderPattern; | ||
| private static final String PARAM_PLACE_HOLDER_REGEX = "\\$\\{[^{]*\\}"; | ||
| private static final Logger log = LogManager.getLogger(SqlQueryHelper.class); | ||
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| public SqlQueryHelper() { | ||
| this.paramPlaceHolderPattern = Pattern.compile(PARAM_PLACE_HOLDER_REGEX); | ||
| } | ||
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| List<String> getParamNamesFromPlaceHolders(String query){ | ||
| List<String> params = new ArrayList<String>(); | ||
| Matcher matcher = paramPlaceHolderPattern.matcher(query); | ||
| while(matcher.find()){ | ||
| params.add(stripDelimiters(matcher.group())); | ||
| } | ||
| return params; | ||
| } | ||
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| private String stripDelimiters(String text) { | ||
| return text.replaceAll("[${}]", ""); | ||
| } | ||
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| public String transformIntoPreparedStatementFormat(String queryString){ | ||
| return queryString.replaceAll(PARAM_PLACE_HOLDER_REGEX,"?"); | ||
| } | ||
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| public PreparedStatement constructPreparedStatement(String queryString, Map<String, String[]> params, Connection conn) throws SQLException { | ||
| String finalQueryString = queryString; | ||
| if (params.get("additionalParams") != null && params.get("additionalParams") != null) { | ||
| finalQueryString = parseAdditionalParams(params.get("additionalParams")[0], queryString); | ||
| } | ||
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| List<String> paramNamesFromPlaceHolders = getParamNamesFromPlaceHolders(finalQueryString); | ||
| String statement = transformIntoPreparedStatementFormat(finalQueryString); | ||
| PreparedStatement preparedStatement = conn.prepareStatement(statement); | ||
| if(params != null && params.size() > 0 ){ | ||
| int i=1; | ||
| for (String paramName : paramNamesFromPlaceHolders) { | ||
| String paramValue = params.get(paramName)[0]; | ||
| preparedStatement.setObject(i++,paramValue); | ||
| } | ||
| } | ||
| return preparedStatement; | ||
| } | ||
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| String parseAdditionalParams(String additionalParams, String queryString) { | ||
| String queryWithAdditionalParams = queryString; | ||
| try { | ||
| AdditionalSearchParam additionalSearchParams = new ObjectMapper().readValue(additionalParams, AdditionalSearchParam.class); | ||
| String test = additionalSearchParams.getTests(); | ||
| queryWithAdditionalParams = queryString.replaceAll("\\$\\{testName\\}", test); | ||
| } catch (IOException e) { | ||
| log.error("Failed to parse Additional Search Parameters."); | ||
| e.printStackTrace(); | ||
| } | ||
| return queryWithAdditionalParams; | ||
| } | ||
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| public static String escapeSQL(String str, boolean escapeDoubleQuotes, Character escapeChar) { | ||
| if (StringUtils.isBlank(str)) { | ||
| return str; | ||
| } | ||
| char escChar = '\\'; | ||
| if (escapeChar != null) { | ||
| escChar = escapeChar.charValue(); | ||
| } | ||
| String strToCheck = str.trim().replace("0x", "0X").replace("/*", "\\/*"); | ||
| StringBuilder sBuilder = new StringBuilder(); | ||
| int stringLength = strToCheck.length(); | ||
| for (int i = 0; i < stringLength; ++i) { | ||
| char c = strToCheck.charAt(i); | ||
| switch (c) { | ||
| case 0: | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('0'); | ||
| break; | ||
| case ';': | ||
| sBuilder.append(escChar); | ||
| sBuilder.append(';'); | ||
| break; | ||
| case '\n': /* Must be escaped for logs */ | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('n'); | ||
| break; | ||
| case '\r': | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('r'); | ||
| break; | ||
| case '\\': | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('\\'); | ||
| break; | ||
| case '\'': | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('\''); | ||
| break; | ||
| case '"': | ||
| if (escapeDoubleQuotes) { | ||
| sBuilder.append('\\'); | ||
| } | ||
| sBuilder.append('"'); | ||
| break; | ||
| case '\032': | ||
| sBuilder.append(escChar); | ||
| sBuilder.append('Z'); | ||
| break; | ||
| default: | ||
| sBuilder.append(c); | ||
| } | ||
| } | ||
| return sBuilder.toString(); | ||
| } | ||
| } |
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