Java tutorial
/* * #%L * ACS AEM Tools Bundle * %% * Copyright (C) 2015 Adobe * %% * Licensed 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. * #L% */ package com.adobe.acs.tools.csv_asset_importer.impl; import org.apache.commons.lang.StringUtils; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.request.RequestParameter; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.StringWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Parameters { public enum ImportStrategy { FULL, DELTA; }; private static final String DEFAULT_CHARSET = "UTF-8"; private static final long DEFAULT_THROTTLE = 0L; private static final int DEFAULT_BATCH_SIZE = 1000; private String uniqueProperty; private String relSrcPathProperty; private String absTargetPathProperty; private String mimeTypeProperty; private String skipProperty; private String multiDelimiter; private String fileLocation; private String[] ignoreProperties; private ImportStrategy importStrategy; private Character separator; private Character delimiter = null; private String charset = DEFAULT_CHARSET; private InputStream file; private Long throttle = DEFAULT_THROTTLE; private int batchSize = DEFAULT_BATCH_SIZE; private boolean updateBinary = false; public Parameters(SlingHttpServletRequest request) throws IOException { final RequestParameter charsetParam = request.getRequestParameter("charset"); final RequestParameter delimiterParam = request.getRequestParameter("delimiter"); final RequestParameter fileParam = request.getRequestParameter("file"); final RequestParameter multiDelimiterParam = request.getRequestParameter("multiDelimiter"); final RequestParameter separatorParam = request.getRequestParameter("separator"); final RequestParameter fileLocationParam = request.getRequestParameter("fileLocation"); final RequestParameter importStrategyParam = request.getRequestParameter("importStrategy"); final RequestParameter updateBinaryParam = request.getRequestParameter("updateBinary"); final RequestParameter mimeTypePropertyParam = request.getRequestParameter("mimeTypeProperty"); final RequestParameter skipPropertyParam = request.getRequestParameter("skipProperty"); final RequestParameter absTargetPathPropertyParam = request.getRequestParameter("absTargetPathProperty"); final RequestParameter relSrcPathPropertyParam = request.getRequestParameter("relSrcPathProperty"); final RequestParameter uniquePropertyParam = request.getRequestParameter("uniqueProperty"); final RequestParameter ignorePropertiesParam = request.getRequestParameter("ignoreProperties"); final RequestParameter throttleParam = request.getRequestParameter("throttle"); final RequestParameter batchSizeParam = request.getRequestParameter("batchSize"); this.charset = DEFAULT_CHARSET; if (charsetParam != null) { this.charset = StringUtils.defaultIfEmpty(charsetParam.toString(), DEFAULT_CHARSET); } this.delimiter = null; if (delimiterParam != null && StringUtils.isNotBlank(delimiterParam.toString())) { this.delimiter = delimiterParam.toString().charAt(0); } this.separator = null; if (separatorParam != null && StringUtils.isNotBlank(separatorParam.toString())) { this.separator = separatorParam.toString().charAt(0); } this.multiDelimiter = "|"; if (multiDelimiterParam != null && StringUtils.isNotBlank(multiDelimiterParam.toString())) { this.multiDelimiter = multiDelimiterParam.toString(); } this.importStrategy = ImportStrategy.FULL; if (importStrategyParam != null && StringUtils.isNotBlank(importStrategyParam.toString())) { this.importStrategy = ImportStrategy.valueOf(importStrategyParam.toString()); } this.updateBinary = false; if (updateBinaryParam != null && StringUtils.isNotBlank(updateBinaryParam.toString())) { this.updateBinary = StringUtils.equalsIgnoreCase(updateBinaryParam.toString(), "true"); } this.fileLocation = "/dev/null"; if (fileLocationParam != null && StringUtils.isNotBlank(fileLocationParam.toString())) { this.fileLocation = fileLocationParam.toString(); } this.skipProperty = null; if (skipPropertyParam != null && StringUtils.isNotBlank(skipPropertyParam.toString())) { skipProperty = StringUtils.stripToNull(skipPropertyParam.toString()); } this.mimeTypeProperty = null; if (mimeTypePropertyParam != null && StringUtils.isNotBlank(mimeTypePropertyParam.toString())) { mimeTypeProperty = StringUtils.stripToNull(mimeTypePropertyParam.toString()); } this.absTargetPathProperty = null; if (absTargetPathPropertyParam != null && StringUtils.isNotBlank(absTargetPathPropertyParam.toString())) { this.absTargetPathProperty = StringUtils.stripToNull(absTargetPathPropertyParam.toString()); } this.relSrcPathProperty = null; if (relSrcPathPropertyParam != null && StringUtils.isNotBlank(relSrcPathPropertyParam.toString())) { this.relSrcPathProperty = StringUtils.stripToNull(relSrcPathPropertyParam.toString()); } this.uniqueProperty = null; if (uniquePropertyParam != null && StringUtils.isNotBlank(uniquePropertyParam.toString())) { this.uniqueProperty = StringUtils.stripToNull(uniquePropertyParam.toString()); } this.ignoreProperties = new String[] { CsvAssetImporterServlet.TERMINATED }; if (ignorePropertiesParam != null && StringUtils.isNotBlank(ignorePropertiesParam.toString())) { final String[] tmp = StringUtils.split(StringUtils.stripToNull(ignorePropertiesParam.toString()), ","); final List<String> list = new ArrayList<String>(); for (final String t : tmp) { String val = StringUtils.stripToNull(t); if (val != null) { list.add(val); } } list.add(CsvAssetImporterServlet.TERMINATED); this.ignoreProperties = list.toArray(new String[] {}); } if (fileParam != null && fileParam.getInputStream() != null) { this.file = fileParam.getInputStream(); } this.throttle = DEFAULT_THROTTLE; if (throttleParam != null && StringUtils.isNotBlank(throttleParam.toString())) { try { this.throttle = Long.valueOf(throttleParam.toString()); if (this.throttle < 0) { this.throttle = DEFAULT_THROTTLE; } } catch (Exception e) { this.throttle = DEFAULT_THROTTLE; } } batchSize = DEFAULT_BATCH_SIZE; if (batchSizeParam != null && StringUtils.isNotBlank(batchSizeParam.toString())) { try { this.batchSize = Integer.valueOf(batchSizeParam.toString()); if (this.batchSize < 1) { this.batchSize = DEFAULT_BATCH_SIZE; } } catch (Exception e) { this.batchSize = DEFAULT_BATCH_SIZE; } } } public final String getUniqueProperty() { return this.uniqueProperty; } public final String getRelSrcPathProperty() { return relSrcPathProperty; } public final String getAbsTargetPathProperty() { return absTargetPathProperty; } public final String getMimeTypeProperty() { return mimeTypeProperty; } public final String getSkipProperty() { return skipProperty; } public final String getFileLocation() { return fileLocation; } public final ImportStrategy getImportStrategy() { return importStrategy; } public final Character getSeparator() { return separator; } public final Character getDelimiter() { return delimiter; } public final String getCharset() { return charset; } public final InputStream getFile() { return file; } public final int getBatchSize() { return batchSize; } public final String getMultiDelimiter() { return multiDelimiter; } public final String[] getIgnoreProperties() { return ignoreProperties; } public final long getThrottle() { return throttle; } public boolean isUpdateBinary() { return updateBinary; } public String toString() { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); pw.println(); pw.println("CSV Asset Importer Config"); pw.println("----------------------------------------"); pw.println("File Provided: " + String.valueOf(this.getFile() != null)); pw.println("Import Strategy: " + this.getImportStrategy()); if (ImportStrategy.DELTA.equals(this.getImportStrategy())) { pw.println("Update Binary: " + this.isUpdateBinary()); } pw.println("File Location: " + this.getFileLocation()); pw.println("Unique Property: " + this.getUniqueProperty()); pw.println("Absolute Target Path Property: " + this.getAbsTargetPathProperty()); pw.println("Relative Src Path Property: " + this.getRelSrcPathProperty()); pw.println("MIME Type Property: " + this.getMimeTypeProperty()); pw.println("Skip Property: " + this.getSkipProperty()); pw.println("Ignore Properties: " + Arrays.asList(this.getIgnoreProperties())); pw.println("Batch Size: " + this.getBatchSize()); pw.println("Throttle: " + this.getThrottle()); pw.println("Charset: " + this.getCharset()); pw.println("Delimiter: " + this.getDelimiter()); pw.println("Separator: " + this.getSeparator()); return sw.toString(); } }