--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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<String, String> line);
+
+ protected final void processLine(Integer lineNumber, List<String> header,
+ List<String> tokens) {
+ if (header == null)
+ throw new ArgeoException("Only CSV with header is supported");
+ Map<String, String> line = new HashMap<String, String>();
+ 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);
+ }
+
+}