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| 1 | +package com.revengemission.plugins.mybatis; |
| 2 | + |
| 3 | +import org.mybatis.generator.api.GeneratedJavaFile; |
| 4 | +import org.mybatis.generator.api.JavaFormatter; |
| 5 | +import org.mybatis.generator.api.dom.DefaultJavaFormatter; |
| 6 | +import org.mybatis.generator.api.dom.java.Field; |
| 7 | +import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType; |
| 8 | +import org.mybatis.generator.api.dom.java.JavaVisibility; |
| 9 | +import org.mybatis.generator.api.dom.java.TopLevelClass; |
| 10 | +import org.slf4j.Logger; |
| 11 | +import org.slf4j.LoggerFactory; |
| 12 | + |
| 13 | +import java.sql.Connection; |
| 14 | +import java.sql.DatabaseMetaData; |
| 15 | +import java.sql.ResultSet; |
| 16 | +import java.sql.SQLException; |
| 17 | +import java.util.Collections; |
| 18 | +import java.util.List; |
| 19 | + |
| 20 | +public class TableConstantsPlugin extends AbstractXmbgPlugin { |
| 21 | + |
| 22 | + private static final Logger log = LoggerFactory.getLogger(TableConstantsPlugin.class); |
| 23 | + |
| 24 | + private String tableNamePattern = "%%"; |
| 25 | + private String codePackageName = "tables"; |
| 26 | + |
| 27 | + @Override |
| 28 | + public boolean validate(List<String> warnings) { |
| 29 | + return true; |
| 30 | + } |
| 31 | + |
| 32 | + @Override |
| 33 | + public List<GeneratedJavaFile> contextGenerateAdditionalJavaFiles() { |
| 34 | + properties.forEach((k, v) -> { |
| 35 | + if (k != null && k.equals("tableNamePattern")) { |
| 36 | + tableNamePattern = v.toString(); |
| 37 | + } else if (k != null && k.equals("codePackageName")) { |
| 38 | + codePackageName = v.toString(); |
| 39 | + } |
| 40 | + }); |
| 41 | + |
| 42 | + log.info("enter contextGenerateAdditionalJavaFiles()"); |
| 43 | + String tableConstants = "TableConstants"; |
| 44 | + FullyQualifiedJavaType className = new FullyQualifiedJavaType(codePackageName + "." + tableConstants); |
| 45 | + //TopLevelEnumeration enumClass = new TopLevelEnumeration(className); |
| 46 | + TopLevelClass topLevelClass = new TopLevelClass(className); |
| 47 | + topLevelClass.setVisibility(JavaVisibility.PUBLIC); |
| 48 | + |
| 49 | + |
| 50 | + try (Connection connection = context.getConnection()) { |
| 51 | + DatabaseMetaData metaData = connection.getMetaData(); |
| 52 | + ResultSet resultSet = metaData.getTables(null, "public", tableNamePattern, new String[]{"TABLE"}); |
| 53 | + while (resultSet.next()) { |
| 54 | + String tableName = resultSet.getString("TABLE_NAME"); |
| 55 | + String tableRemarks = resultSet.getString("REMARKS"); |
| 56 | + if (null == tableRemarks || tableRemarks.trim().isEmpty()) { |
| 57 | + tableRemarks = tableName; |
| 58 | + } |
| 59 | + Field field = new Field(tableName.toUpperCase(), FullyQualifiedJavaType.getStringInstance()); |
| 60 | + field.setVisibility(JavaVisibility.PUBLIC); |
| 61 | + field.setStatic(true); |
| 62 | + field.setFinal(true); |
| 63 | + field.setInitializationString("\"" + tableRemarks + "\""); |
| 64 | + topLevelClass.addField(field); |
| 65 | + } |
| 66 | + JavaFormatter javaFormatter = new DefaultJavaFormatter(); |
| 67 | + GeneratedJavaFile generatedJavaFile = new GeneratedJavaFile( |
| 68 | + topLevelClass, |
| 69 | + "src/main/java", |
| 70 | + javaFormatter |
| 71 | + ); |
| 72 | + return Collections.singletonList(generatedJavaFile); |
| 73 | + } catch (SQLException e) { |
| 74 | + log.error("SqlException in my plugin", e); |
| 75 | + return List.of(); |
| 76 | + } |
| 77 | + } |
| 78 | +} |
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