1 files changed, 82 insertions, 0 deletions
diff --git a/core/src/main/java/org/elasticsearch/ingest/processor/SplitProcessor.java b/core/src/main/java/org/elasticsearch/ingest/processor/SplitProcessor.java
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+++ b/core/src/main/java/org/elasticsearch/ingest/processor/SplitProcessor.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch 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.
+ */
+
+package org.elasticsearch.ingest.processor;
+
+import org.elasticsearch.ingest.core.AbstractProcessor;
+import org.elasticsearch.ingest.core.AbstractProcessorFactory;
+import org.elasticsearch.ingest.core.ConfigurationUtils;
+import org.elasticsearch.ingest.core.IngestDocument;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Processor that splits fields content into different items based on the occurrence of a specified separator.
+ * New field value will be an array containing all of the different extracted items.
+ * Throws exception if the field is null or a type other than string.
+ */
+public class SplitProcessor extends AbstractProcessor {
+
+    public static final String TYPE = "split";
+
+    private final String field;
+    private final String separator;
+
+    SplitProcessor(String tag, String field, String separator) {
+        super(tag);
+        this.field = field;
+        this.separator = separator;
+    }
+
+    String getField() {
+        return field;
+    }
+
+    String getSeparator() {
+        return separator;
+    }
+
+    @Override
+    public void execute(IngestDocument document) {
+        String oldVal = document.getFieldValue(field, String.class);
+        if (oldVal == null) {
+            throw new IllegalArgumentException("field [" + field + "] is null, cannot split.");
+        }
+        String[] strings = oldVal.split(separator);
+        List<String> splitList = new ArrayList<>(strings.length);
+        Collections.addAll(splitList, strings);
+        document.setFieldValue(field, splitList);
+    }
+
+    @Override
+    public String getType() {
+        return TYPE;
+    }
+
+    public static class Factory extends AbstractProcessorFactory<SplitProcessor> {
+        @Override
+        public SplitProcessor doCreate(String processorTag, Map<String, Object> config) throws Exception {
+            String field = ConfigurationUtils.readStringProperty(TYPE, processorTag, config, "field");
+            return new SplitProcessor(processorTag, field, ConfigurationUtils.readStringProperty(TYPE, processorTag, config, "separator"));
+        }
+    }
+}