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diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/attributes/Attributes.java b/org.eclipse.jgit/src/org/eclipse/jgit/attributes/Attributes.java
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+/*
+ * Copyright (C) 2015, Ivan Motsch <ivan.motsch@bsiag.com>,
+ * Copyright (C) 2017, Obeo (mathieu.cartaud@obeo.fr)
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.attributes;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.eclipse.jgit.attributes.Attribute.State;
+import org.eclipse.jgit.lib.Constants;
+
+/**
+ * Represents a set of attributes for a path
+ *
+ * @since 4.2
+ */
+public final class Attributes {
+	private final Map<String, Attribute> map = new LinkedHashMap<>();
+
+	/**
+	 * Creates a new instance
+	 *
+	 * @param attributes
+	 *            a {@link org.eclipse.jgit.attributes.Attribute}
+	 */
+	public Attributes(Attribute... attributes) {
+		if (attributes != null) {
+			for (Attribute a : attributes) {
+				put(a);
+			}
+		}
+	}
+
+	/**
+	 * Whether the set of attributes is empty
+	 *
+	 * @return true if the set does not contain any attributes
+	 */
+	public boolean isEmpty() {
+		return map.isEmpty();
+	}
+
+	/**
+	 * Get the attribute with the given key
+	 *
+	 * @param key
+	 *            a {@link java.lang.String} object.
+	 * @return the attribute or null
+	 */
+	public Attribute get(String key) {
+		return map.get(key);
+	}
+
+	/**
+	 * Get all attributes
+	 *
+	 * @return all attributes
+	 */
+	public Collection<Attribute> getAll() {
+		return new ArrayList<>(map.values());
+	}
+
+	/**
+	 * Put an attribute
+	 *
+	 * @param a
+	 *            an {@link org.eclipse.jgit.attributes.Attribute}
+	 */
+	public void put(Attribute a) {
+		map.put(a.getKey(), a);
+	}
+
+	/**
+	 * Remove attribute with given key
+	 *
+	 * @param key
+	 *            an attribute name
+	 */
+	public void remove(String key) {
+		map.remove(key);
+	}
+
+	/**
+	 * Whether there is an attribute with this key
+	 *
+	 * @param key
+	 *            key of an attribute
+	 * @return true if the {@link org.eclipse.jgit.attributes.Attributes}
+	 *         contains this key
+	 */
+	public boolean containsKey(String key) {
+		return map.containsKey(key);
+	}
+
+	/**
+	 * Return the state.
+	 *
+	 * @param key
+	 *            key of an attribute
+	 * @return the state (never returns <code>null</code>)
+	 */
+	public Attribute.State getState(String key) {
+		Attribute a = map.get(key);
+		return a != null ? a.getState() : Attribute.State.UNSPECIFIED;
+	}
+
+	/**
+	 * Whether the attribute is set
+	 *
+	 * @param key
+	 *            a {@link java.lang.String} object.
+	 * @return true if the key is
+	 *         {@link org.eclipse.jgit.attributes.Attribute.State#SET}, false in
+	 *         all other cases
+	 */
+	public boolean isSet(String key) {
+		return (getState(key) == State.SET);
+	}
+
+	/**
+	 * Whether the attribute is unset
+	 *
+	 * @param key
+	 *            a {@link java.lang.String} object.
+	 * @return true if the key is
+	 *         {@link org.eclipse.jgit.attributes.Attribute.State#UNSET}, false
+	 *         in all other cases
+	 */
+	public boolean isUnset(String key) {
+		return (getState(key) == State.UNSET);
+	}
+
+	/**
+	 * Whether the attribute with the given key is unspecified
+	 *
+	 * @param key
+	 *            a {@link java.lang.String} object.
+	 * @return true if the key is
+	 *         {@link org.eclipse.jgit.attributes.Attribute.State#UNSPECIFIED},
+	 *         false in all other cases
+	 */
+	public boolean isUnspecified(String key) {
+		return (getState(key) == State.UNSPECIFIED);
+	}
+
+	/**
+	 * Is this a custom attribute
+	 *
+	 * @param key
+	 *            a {@link java.lang.String} object.
+	 * @return true if the key is
+	 *         {@link org.eclipse.jgit.attributes.Attribute.State#CUSTOM}, false
+	 *         in all other cases see {@link #getValue(String)} for the value of
+	 *         the key
+	 */
+	public boolean isCustom(String key) {
+		return (getState(key) == State.CUSTOM);
+	}
+
+	/**
+	 * Get attribute value
+	 *
+	 * @param key
+	 *            an attribute key
+	 * @return the attribute value (may be <code>null</code>)
+	 */
+	public String getValue(String key) {
+		Attribute a = map.get(key);
+		return a != null ? a.getValue() : null;
+	}
+
+	/**
+	 * Test if the given attributes implies to handle the related entry as a
+	 * binary file (i.e. if the entry has an -merge or a merge=binary attribute)
+	 * or if it can be content merged.
+	 *
+	 * @return <code>true</code> if the entry can be content merged,
+	 *         <code>false</code> otherwise
+	 * @since 4.9
+	 */
+	public boolean canBeContentMerged() {
+		if (isUnset(Constants.ATTR_MERGE)) {
+			return false;
+		} else if (isCustom(Constants.ATTR_MERGE)
+				&& getValue(Constants.ATTR_MERGE)
+						.equals(Constants.ATTR_BUILTIN_BINARY_MERGER)) {
+			return false;
+		}
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder buf = new StringBuilder();
+		buf.append(getClass().getSimpleName());
+		buf.append("["); //$NON-NLS-1$
+		buf.append(" "); //$NON-NLS-1$
+		for (Attribute a : map.values()) {
+			buf.append(a.toString());
+			buf.append(" "); //$NON-NLS-1$
+		}
+		buf.append("]"); //$NON-NLS-1$
+		return buf.toString();
+	}
+
+	@Override
+	public int hashCode() {
+		return map.hashCode();
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (!(obj instanceof Attributes))
+			return false;
+		Attributes other = (Attributes) obj;
+		return this.map.equals(other.map);
+	}
+
+}