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diff --git a/org.argeo.slc.spring/src/org/argeo/slc/core/execution/SedFilteredResource.java b/org.argeo.slc.spring/src/org/argeo/slc/core/execution/SedFilteredResource.java
new file mode 100644
index 000000000..c793f4963
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/core/execution/SedFilteredResource.java
@@ -0,0 +1,144 @@
+/*
+ * 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.slc.core.execution;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.StringTokenizer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.slc.SlcException;
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.core.io.Resource;
+
+/** Experimental and suboptimal */
+public class SedFilteredResource implements FactoryBean<Resource>,
+		InitializingBean {
+	private Resource source;
+
+	private List<String> filters = new ArrayList<String>();
+	private Map<Pattern, String> patterns = new HashMap<Pattern, String>();
+
+	private String charset = "UTF-8";
+	private Charset cs;
+	private CharsetDecoder decoder;
+
+	// private CharsetEncoder encoder;
+
+	public Resource getObject() throws Exception {
+		if (filters.size() == 0)
+			return source;
+
+		// int capacity = 100 * 1024;// 100 KB
+		ByteBuffer bb;
+		if (source instanceof ByteArrayResource) {
+			bb = ByteBuffer.wrap(((ByteArrayResource) source).getByteArray());
+		} else {
+			FileInputStream fis = null;
+			try {
+				File file = source.getFile();
+				fis = new FileInputStream(file);
+				FileChannel fc = fis.getChannel();
+
+				// Get the file's size and then map it into memory
+				int sz = (int) fc.size();
+				bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, sz);
+			} catch (IOException e) {
+				// ReadableByteChannel channel = Channels.newChannel(source
+				// .getInputStream());
+				// bb = ByteBuffer.allocateDirect(capacity);
+				// int read = 0;
+				// do {
+				// read = channel.read(bb);
+				// } while (read > 0);
+				// FIXME : use nio to parse the stream as it goes
+				bb = ByteBuffer.wrap(IOUtils.toByteArray(source
+						.getInputStream()));
+			} finally {
+				IOUtils.closeQuietly(fis);
+			}
+		}
+		CharBuffer cb = decoder.decode(bb);
+		for (Pattern pattern : patterns.keySet()) {
+			Matcher matcher = pattern.matcher(cb);
+			String output = matcher.replaceAll(patterns.get(pattern));
+			cb = CharBuffer.wrap(output);
+		}
+		// ByteBuffer bbout = encoder.encode(cb);
+		// ByteArrayOutputStream out = new ByteArrayOutputStream(capacity);
+		// WritableByteChannel wchannel = Channels.newChannel(out);
+		// wchannel.write(bbout);
+		ByteArrayResource res = new ByteArrayResource(cb.toString().getBytes());
+		return res;
+	}
+
+	public Class<?> getObjectType() {
+		return Resource.class;
+	}
+
+	public boolean isSingleton() {
+		return true;
+	}
+
+	public void afterPropertiesSet() throws Exception {
+		cs = Charset.forName(charset);
+		decoder = cs.newDecoder();
+		// encoder = cs.newEncoder();
+
+		for (String sedStr : filters) {
+			sedStr = sedStr.trim();
+			if (sedStr.length() < 4)
+				throw new SlcException(sedStr + " not properly formatted.");
+			if (sedStr.charAt(0) != 's')
+				throw new SlcException(sedStr + " not properly formatted.");
+			Character sep = sedStr.charAt(1);
+			List<String> tokens = new ArrayList<String>(4);
+			StringTokenizer st = new StringTokenizer(sedStr, sep.toString());
+			while (st.hasMoreTokens())
+				tokens.add(st.nextToken());
+			if (tokens.size() != 3 && tokens.size() != 4)
+				throw new SlcException(sedStr + " not properly formatted.");
+			patterns.put(Pattern.compile(tokens.get(1)), tokens.get(2));
+		}
+	}
+
+	public void setSource(Resource source) {
+		this.source = source;
+	}
+
+	public void setFilters(List<String> filters) {
+		this.filters = filters;
+	}
+
+	public void setCharset(String charset) {
+		this.charset = charset;
+	}
+
+}