X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=base%2Fruntime%2Forg.argeo.basic.nodeps%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Futil%2FCsvParserWithLinesAsMap.java;fp=base%2Fruntime%2Forg.argeo.basic.nodeps%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Futil%2FCsvParserWithLinesAsMap.java;h=e6afb7b636c0c945d02416ca62268fcd8a0c160b;hb=2fcbd437ed0a3987b461da585f685bf1f1a0d6db;hp=0000000000000000000000000000000000000000;hpb=e39d1cffbca5b2a6d5d7b6e20e7d75417a71c9b8;p=lgpl%2Fargeo-commons.git diff --git a/base/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvParserWithLinesAsMap.java b/base/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvParserWithLinesAsMap.java new file mode 100644 index 000000000..e6afb7b63 --- /dev/null +++ b/base/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvParserWithLinesAsMap.java @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2007-2012 Mathieu Baudier + * + * 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. + */ +package org.argeo.util; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.argeo.ArgeoException; + +/** + * CSV parser allowing to process lines as maps whose keys are the header + * fields. + */ +public abstract class CsvParserWithLinesAsMap extends CsvParser { + + /** + * Actually processes a line. + * + * @param lineNumber + * the current line number, starts at 1 (the header, if header + * processing is enabled, the first lien otherwise) + * @param line + * the parsed tokens as a map whose keys are the header fields + */ + protected abstract void processLine(Integer lineNumber, + Map line); + + protected final void processLine(Integer lineNumber, List header, + List tokens) { + if (header == null) + throw new ArgeoException("Only CSV with header is supported"); + Map line = new HashMap(); + for (int i = 0; i < header.size(); i++) { + String key = header.get(i); + String value = null; + if (i < tokens.size()) + value = tokens.get(i); + line.put(key, value); + } + processLine(lineNumber, line); + } + +}