BundleInfoImpl.java
- /*
- * #%L
- * wcm.io
- * %%
- * Copyright (C) 2019 wcm.io
- * %%
- * 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.
- * #L%
- */
- package io.wcm.wcm.commons.bundleinfo.impl;
- import java.util.Date;
- import java.util.Dictionary;
- import org.apache.commons.lang3.StringUtils;
- import org.jetbrains.annotations.NotNull;
- import org.jetbrains.annotations.Nullable;
- import org.osgi.framework.Bundle;
- import org.osgi.framework.Constants;
- import io.wcm.wcm.commons.bundleinfo.BundleInfo;
- import io.wcm.wcm.commons.bundleinfo.BundleState;
- /**
- * Provides meta-information about a installed bundle.
- */
- class BundleInfoImpl implements BundleInfo {
- private final String symbolicName;
- private final Bundle bundle;
- private final Dictionary<String, String> headers;
- private final BundleState state;
- BundleInfoImpl(Bundle bundle) {
- this.symbolicName = bundle.getSymbolicName();
- this.bundle = bundle;
- this.headers = bundle.getHeaders();
- if (isFragment()) {
- this.state = BundleState.FRAGMENT;
- }
- else {
- this.state = BundleState.valueOf(bundle.getState());
- }
- }
- @Override
- public @NotNull Bundle getBundle() {
- return bundle;
- }
- @Override
- public @NotNull String getSymbolicName() {
- return symbolicName;
- }
- @Override
- public @NotNull String getName() {
- return StringUtils.defaultString(headers.get(Constants.BUNDLE_NAME), getSymbolicName());
- }
- @Override
- public @NotNull String getVersion() {
- return StringUtils.defaultString(headers.get(Constants.BUNDLE_VERSION));
- }
- @Override
- public @NotNull BundleState getState() {
- return state;
- }
- @Override
- public @Nullable Date getLastModified() {
- if (bundle.getLastModified() == 0) {
- return null;
- }
- return new Date(bundle.getLastModified());
- }
- @Override
- public boolean isFragment() {
- String fragmentHost = headers.get(Constants.FRAGMENT_HOST);
- return StringUtils.isNotBlank(fragmentHost);
- }
- @Override
- public String toString() {
- return symbolicName;
- }
- @Override
- public int hashCode() {
- return symbolicName.hashCode();
- }
- @Override
- public boolean equals(Object obj) {
- if (!(obj instanceof BundleInfoImpl)) {
- return false;
- }
- BundleInfoImpl other = (BundleInfoImpl)obj;
- return symbolicName.equals(other.symbolicName);
- }
- @Override
- public int compareTo(BundleInfo obj) {
- return getSymbolicName().compareTo(obj.getSymbolicName());
- }
- }