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[improve] extract some common methods (apache#2691)
Signed-off-by: yuluo-yx <[email protected]>
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85 changes: 85 additions & 0 deletions
85
common/src/main/java/org/apache/hertzbeat/common/util/export/ExcelExportUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.hertzbeat.common.util.export; | ||
|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import org.apache.poi.ss.usermodel.Cell; | ||
| import org.apache.poi.ss.usermodel.CellStyle; | ||
| import org.apache.poi.ss.usermodel.Font; | ||
| import org.apache.poi.ss.usermodel.HorizontalAlignment; | ||
| import org.apache.poi.ss.usermodel.Row; | ||
| import org.apache.poi.ss.usermodel.Sheet; | ||
| import org.apache.poi.ss.usermodel.Workbook; | ||
| import org.springframework.util.ReflectionUtils; | ||
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| /** | ||
| * Excel export utils | ||
| */ | ||
|
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| public final class ExcelExportUtils { | ||
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| private ExcelExportUtils() { | ||
| } | ||
|
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| /** | ||
| * set cell style | ||
| * @param workbook workbook entity | ||
| */ | ||
| public static CellStyle setCellStyle(Workbook workbook) { | ||
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| CellStyle cellStyle = workbook.createCellStyle(); | ||
| cellStyle.setAlignment(HorizontalAlignment.CENTER); | ||
| return cellStyle; | ||
| } | ||
|
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| /** | ||
| * @param clazz Export entity class | ||
| */ | ||
| public static <T extends Class<?>> Sheet setSheet(String sheetName, Workbook workbook, T clazz) { | ||
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| var sheet = workbook.createSheet(sheetName); | ||
| sheet.setDefaultColumnWidth(20); | ||
| sheet.setColumnWidth(9, 40 * 256); | ||
| sheet.setColumnWidth(10, 40 * 256); | ||
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| // set header style | ||
| CellStyle headerCellStyle = workbook.createCellStyle(); | ||
| Font headerFont = workbook.createFont(); | ||
| headerFont.setBold(true); | ||
| headerCellStyle.setFont(headerFont); | ||
| headerCellStyle.setAlignment(HorizontalAlignment.CENTER); | ||
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| List<String> headers = new ArrayList<>(); | ||
| ReflectionUtils.doWithFields(clazz, field -> { | ||
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| field.setAccessible(true); | ||
| headers.add(field.getName()); | ||
| }); | ||
|
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| // set header | ||
| Row headerRow = sheet.createRow(0); | ||
| String[] headerArray = headers.toArray(new String[0]); | ||
| for (int i = 0; i < headerArray.length; i++) { | ||
| Cell cell = headerRow.createCell(i); | ||
| cell.setCellValue(headerArray[i]); | ||
| cell.setCellStyle(headerCellStyle); | ||
| } | ||
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| return sheet; | ||
| } | ||
|
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| } |
44 changes: 44 additions & 0 deletions
44
common/src/main/java/org/apache/hertzbeat/common/util/export/YamlExportUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.apache.hertzbeat.common.util.export; | ||
|
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| import java.io.OutputStream; | ||
| import java.io.OutputStreamWriter; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.List; | ||
| import org.yaml.snakeyaml.DumperOptions; | ||
| import org.yaml.snakeyaml.Yaml; | ||
|
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| /** | ||
| * Yaml Export Utils | ||
| */ | ||
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| public final class YamlExportUtils { | ||
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| private YamlExportUtils() { | ||
| } | ||
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| public static <T> void exportWriteOs(List<T> list, OutputStream os) { | ||
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| var options = new DumperOptions(); | ||
| options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK); | ||
| options.setIndent(2); | ||
| options.setPrettyFlow(true); | ||
| Yaml yaml = new Yaml(options); | ||
| yaml.dump(list, new OutputStreamWriter(os, StandardCharsets.UTF_8)); | ||
| } | ||
|
|
||
| } |
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