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Embed the required StateFactory implementations
Currently P2 has the BundleDescription in its API where the only implementation is in the discouraged osgi.compatibility fragment, but actually P2 does not really need a full implementation, it is just using that to parse manifest headers and generate metadata from it. This embeds a stripped down version of the actual implementation in the p2.publisher.eclipse that allows to create implementation objects without rely on the compatibility fragment anymore.
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180 changes: 180 additions & 0 deletions
180
...clipse/src/org/eclipse/equinox/p2/publisher/eclipse/statefactory/BaseDescriptionImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2004, 2016 IBM Corporation and others. | ||
| * | ||
| * This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License 2.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * IBM Corporation - initial API and implementation | ||
| * Rob Harrop - SpringSource Inc. (bug 247522) | ||
| *******************************************************************************/ | ||
| package org.eclipse.equinox.p2.publisher.eclipse.statefactory; | ||
|
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| import java.util.*; | ||
| import java.util.Map.Entry; | ||
| import org.eclipse.osgi.service.resolver.BaseDescription; | ||
| import org.osgi.framework.Version; | ||
| import org.osgi.framework.wiring.BundleCapability; | ||
| import org.osgi.framework.wiring.BundleRevision; | ||
|
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| public abstract class BaseDescriptionImpl implements BaseDescription { | ||
|
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| protected final Object monitor = new Object(); | ||
|
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| private volatile String name; | ||
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| private volatile Version version; | ||
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| private volatile Object userObject; | ||
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| public String getName() { | ||
| return name; | ||
| } | ||
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| public Version getVersion() { | ||
| synchronized (this.monitor) { | ||
| if (version == null) | ||
| return Version.emptyVersion; | ||
| return version; | ||
| } | ||
| } | ||
|
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| protected void setName(String name) { | ||
| this.name = name; | ||
| } | ||
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| protected void setVersion(Version version) { | ||
| this.version = version; | ||
| } | ||
|
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| static <V> String toString(Map<String, V> map, boolean directives) { | ||
| if (map.size() == 0) | ||
| return ""; //$NON-NLS-1$ | ||
| String assignment = directives ? ":=" : "="; //$NON-NLS-1$//$NON-NLS-2$ | ||
| Set<Entry<String, V>> set = map.entrySet(); | ||
| StringBuilder sb = new StringBuilder(); | ||
| for (Entry<String, V> entry : set) { | ||
| sb.append("; "); //$NON-NLS-1$ | ||
| String key = entry.getKey(); | ||
| Object value = entry.getValue(); | ||
| if (value instanceof List) { | ||
| @SuppressWarnings("unchecked") | ||
| List<Object> list = (List<Object>) value; | ||
| if (list.size() == 0) | ||
| continue; | ||
| Object component = list.get(0); | ||
| String className = component.getClass().getName(); | ||
| String type = className.substring(className.lastIndexOf('.') + 1); | ||
| sb.append(key).append(':').append("List<").append(type).append(">").append(assignment).append('"'); //$NON-NLS-1$ //$NON-NLS-2$ | ||
| for (Object object : list) | ||
| sb.append(object).append(','); | ||
| sb.setLength(sb.length() - 1); | ||
| sb.append('"'); | ||
| } else { | ||
| String type = ""; //$NON-NLS-1$ | ||
| if (!(value instanceof String)) { | ||
| String className = value.getClass().getName(); | ||
| type = ":" + className.substring(className.lastIndexOf('.') + 1); //$NON-NLS-1$ | ||
| } | ||
| sb.append(key).append(type).append(assignment).append('"').append(value).append('"'); | ||
| } | ||
| } | ||
| return sb.toString(); | ||
| } | ||
|
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| String getInternalNameSpace() { | ||
| return null; | ||
| } | ||
|
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| public BaseDescription getFragmentDeclaration() { | ||
| return null; | ||
| } | ||
|
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| public BundleCapability getCapability() { | ||
| return getCapability(null); | ||
| } | ||
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| BundleCapability getCapability(String namespace) { | ||
| BaseDescriptionImpl fragmentDeclaration = (BaseDescriptionImpl) getFragmentDeclaration(); | ||
| if (fragmentDeclaration != null) | ||
| return fragmentDeclaration.getCapability(namespace); | ||
| if (namespace == null) | ||
| namespace = getInternalNameSpace(); | ||
| if (namespace == null) | ||
| return null; | ||
| return new BaseCapability(namespace); | ||
| } | ||
|
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| public Object getUserObject() { | ||
| return userObject; | ||
| } | ||
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| public void setUserObject(Object userObject) { | ||
| this.userObject = userObject; | ||
| } | ||
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| public class BaseCapability implements BundleCapability { | ||
| private final String namespace; | ||
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| public BaseCapability(String namespace) { | ||
| super(); | ||
| this.namespace = namespace; | ||
| } | ||
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| public BundleRevision getRevision() { | ||
| return getSupplier(); | ||
| } | ||
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| public String getNamespace() { | ||
| return namespace; | ||
| } | ||
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| public Map<String, String> getDirectives() { | ||
| return getDeclaredDirectives(); | ||
| } | ||
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| public Map<String, Object> getAttributes() { | ||
| Map<String, Object> attrs = getDeclaredAttributes(); | ||
| String internalName = BaseDescriptionImpl.this.getInternalNameSpace(); | ||
| if (namespace.equals(internalName)) | ||
| return attrs; | ||
| // we are doing an alias, must remove internal Name and add alias | ||
| attrs = new HashMap<>(attrs); | ||
| Object nameValue = attrs.remove(internalName); | ||
| if (nameValue != null) | ||
| attrs.put(namespace, nameValue); | ||
| return Collections.unmodifiableMap(attrs); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return System.identityHashCode(BaseDescriptionImpl.this); | ||
| } | ||
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| public BaseDescriptionImpl getBaseDescription() { | ||
| return BaseDescriptionImpl.this; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) | ||
| return true; | ||
| if (!(obj instanceof BaseCapability)) | ||
| return false; | ||
| return (((BaseCapability) obj).getBaseDescription() == BaseDescriptionImpl.this) && namespace.equals(((BaseCapability) obj).getNamespace()); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return getNamespace() + BaseDescriptionImpl.toString(getAttributes(), false) + BaseDescriptionImpl.toString(getDirectives(), true); | ||
| } | ||
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| public BundleRevision getResource() { | ||
| return getRevision(); | ||
| } | ||
| } | ||
| } |
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