ui/org.eclipse.pde.runtime/src/org/eclipse/pde/internal/runtime/registry/model/Extension.java

package org.eclipse.pde.internal.runtime.registry.model;

public class Extension extends ModelObject {

	private String namespaceIdentifier;
	private String label;
	private String extensionPointUniqueIdentifier;
	private ConfigurationElement[] configurationElements = new ConfigurationElement[0];
	private Long contributor;

	public void setNamespaceIdentifier(String namespaceIdentifier) {
		this.namespaceIdentifier = namespaceIdentifier;
	}

	public void setLabel(String label) {
		this.label = label;
	}

	public void setExtensionPointUniqueIdentifier(String extensionPointUniqueIdentifier) {
		this.extensionPointUniqueIdentifier = extensionPointUniqueIdentifier;
	}

	public void setConfigurationElements(ConfigurationElement[] configurationElements) {
		if (configurationElements == null)
			throw new IllegalArgumentException();

		this.configurationElements = configurationElements;
	}

	public void setContributor(Long contributor) {
		this.contributor = contributor;
	}

	public ConfigurationElement[] getConfigurationElements() {
		return configurationElements;
	}

	public String getExtensionPointUniqueIdentifier() {
		return extensionPointUniqueIdentifier;
	}

	public String getLabel() {
		return label;
	}

	public String getNamespaceIdentifier() {
		return namespaceIdentifier;
	}

	public Long getContributorId() {
		return contributor;
	}

	public boolean equals(Object obj) {
		if (obj instanceof Extension) {
			Extension ext = (Extension) obj;
			return namespaceIdentifier.endsWith(ext.namespaceIdentifier) && label.equals(ext.label) && extensionPointUniqueIdentifier.equals(ext.extensionPointUniqueIdentifier) && contributor.equals(ext.contributor);
		}

		return false;
	}

	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((contributor == null) ? 0 : contributor.hashCode());
		result = prime * result + ((extensionPointUniqueIdentifier == null) ? 0 : extensionPointUniqueIdentifier.hashCode());
		result = prime * result + ((label == null) ? 0 : label.hashCode());
		result = prime * result + ((namespaceIdentifier == null) ? 0 : namespaceIdentifier.hashCode());
		return result;
	}

	public ExtensionPoint getExtensionPoint() {
		if (model == null)
			return null;
		return model.getExtensionPoint(extensionPointUniqueIdentifier);
	}

	public Bundle getContributor() {
		if (model == null)
			return null;
		return model.getBundle(contributor);
	}
}