1 files changed, 89 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.repository/src/org/eclipse/equinox/p2/repository/artifact/spi/AbstractArtifactRepository.java b/bundles/org.eclipse.equinox.p2.repository/src/org/eclipse/equinox/p2/repository/artifact/spi/AbstractArtifactRepository.java
new file mode 100644
index 000000000..fd7bddb67
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+++ b/bundles/org.eclipse.equinox.p2.repository/src/org/eclipse/equinox/p2/repository/artifact/spi/AbstractArtifactRepository.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ *  Copyright (c) 2007, 2009 IBM Corporation and others.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ * 
+ *  Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.p2.repository.artifact.spi;
+
+import org.eclipse.equinox.p2.repository.spi.AbstractRepository;
+
+import java.io.OutputStream;
+import java.net.URI;
+import java.util.Map;
+import org.eclipse.core.runtime.*;
+import org.eclipse.equinox.p2.core.ProvisionException;
+import org.eclipse.equinox.p2.metadata.IArtifactKey;
+import org.eclipse.equinox.p2.repository.artifact.*;
+
+/**
+ * The common base class for all artifact repository implementations. Clients must
+ * subclass this class to create their own repository implementations.
+ * <p>
+ * This base class provides default implementations of all methods that modify the repository.
+ * These default methods throw an exception if {@link #isModifiable()} returns <code>false</code>.
+ * Therefore a client can implement a read-only repository by overriding only the abstract methods.
+ * @since 2.0
+ */
+public abstract class AbstractArtifactRepository extends AbstractRepository<IArtifactKey> implements IArtifactRepository {
+
+	protected AbstractArtifactRepository(String name, String type, String version, URI location, String description, String provider, Map<String, String> properties) {
+		super(name, type, version, location, description, provider, properties);
+	}
+
+	public abstract boolean contains(IArtifactDescriptor descriptor);
+
+	public abstract boolean contains(IArtifactKey key);
+
+	public abstract IStatus getArtifact(IArtifactDescriptor descriptor, OutputStream destination, IProgressMonitor monitor);
+
+	public abstract IArtifactDescriptor[] getArtifactDescriptors(IArtifactKey key);
+
+	public abstract IStatus getArtifacts(IArtifactRequest[] requests, IProgressMonitor monitor);
+
+	public abstract OutputStream getOutputStream(IArtifactDescriptor descriptor) throws ProvisionException;
+
+	public void addDescriptor(IArtifactDescriptor descriptor) {
+		assertModifiable();
+	}
+
+	public void addDescriptors(IArtifactDescriptor[] descriptors) {
+		assertModifiable();
+	}
+
+	public void removeDescriptor(IArtifactDescriptor descriptor) {
+		assertModifiable();
+	}
+
+	public void removeDescriptor(IArtifactKey key) {
+		assertModifiable();
+	}
+
+	public void removeAll() {
+		assertModifiable();
+	}
+
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (!(o instanceof AbstractArtifactRepository)) {
+			return false;
+		}
+		if (URIUtil.sameURI(getLocation(), ((AbstractArtifactRepository) o).getLocation()))
+			return true;
+		return false;
+	}
+
+	public int hashCode() {
+		return (this.getLocation().toString().hashCode()) * 87;
+	}
+
+	public IArtifactDescriptor createArtifactDescriptor(IArtifactKey key) {
+		return new ArtifactDescriptor(key);
+	}
+}