Examples with BundleWiringDTO org.osgi.framework.wiring.dto.BundleWiringDTO used on opensource projects

Example 1 with BundleWiringDTO

use of org.osgi.framework.wiring.dto.BundleWiringDTO in project rt.equinox.framework by eclipse.

the class EquinoxBundle method adapt0.

@SuppressWarnings("unchecked")
private <A> A adapt0(Class<A> adapterType) {
    if (AccessControlContext.class.equals(adapterType)) {
        Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
        ProtectionDomain domain = current.getDomain();
        return (A) (domain == null ? null : new AccessControlContext(new ProtectionDomain[] { domain }));
    }
    if (BundleContext.class.equals(adapterType)) {
        try {
            return (A) getBundleContext();
        } catch (SecurityException e) {
            return null;
        }
    }
    if (BundleRevision.class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        return (A) module.getCurrentRevision();
    }
    if (BundleRevisions.class.equals(adapterType)) {
        return (A) module.getRevisions();
    }
    if (BundleStartLevel.class.equals(adapterType)) {
        return (A) module;
    }
    if (BundleWiring.class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        ModuleRevision revision = module.getCurrentRevision();
        if (revision == null) {
            return null;
        }
        return (A) revision.getWiring();
    }
    if (BundleDTO.class.equals(adapterType)) {
        // Unfortunately we need to lock here to make sure the BSN and version
        // are consistent in case of updates
        readLock();
        try {
            return (A) DTOBuilder.newBundleDTO(this);
        } finally {
            readUnlock();
        }
    }
    if (BundleStartLevelDTO.class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        return (A) DTOBuilder.newBundleStartLevelDTO(this, module);
    }
    if (BundleRevisionDTO.class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        return (A) DTOBuilder.newBundleRevisionDTO(module.getCurrentRevision());
    }
    if (BundleRevisionDTO[].class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        // proper locking for us.
        return (A) DTOBuilder.newArrayBundleRevisionDTO(module.getRevisions());
    }
    if (BundleWiringDTO.class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        readLock();
        try {
            return (A) DTOBuilder.newBundleWiringDTO(module.getCurrentRevision());
        } finally {
            readUnlock();
        }
    }
    if (BundleWiringDTO[].class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        readLock();
        try {
            return (A) DTOBuilder.newArrayBundleWiringDTO(module.getRevisions());
        } finally {
            readUnlock();
        }
    }
    if (ServiceReferenceDTO[].class.equals(adapterType)) {
        if (module.getState().equals(State.UNINSTALLED)) {
            return null;
        }
        BundleContextImpl current = getBundleContextImpl();
        ServiceReference<?>[] references = (current == null) ? null : equinoxContainer.getServiceRegistry().getRegisteredServices(current);
        return (A) DTOBuilder.newArrayServiceReferenceDTO(references);
    }
    if (getBundleId() == 0) {
        if (Framework.class.equals(adapterType)) {
            return (A) this;
        }
        if (FrameworkStartLevel.class.equals(adapterType)) {
            return (A) module.getContainer().getFrameworkStartLevel();
        }
        if (FrameworkWiring.class.equals(adapterType)) {
            return (A) module.getContainer().getFrameworkWiring();
        }
        if (FrameworkDTO.class.equals(adapterType)) {
            BundleContextImpl current = getBundleContextImpl();
            Map<String, String> configuration = equinoxContainer.getConfiguration().getConfiguration();
            readLock();
            try {
                return (A) DTOBuilder.newFrameworkDTO(current, configuration);
            } finally {
                readUnlock();
            }
        }
        if (FrameworkStartLevelDTO.class.equals(adapterType)) {
            return (A) DTOBuilder.newFrameworkStartLevelDTO(module.getContainer().getFrameworkStartLevel());
        }
        if (FrameworkWiringDTO.class.equals(adapterType)) {
            readLock();
            try {
                Set<BundleWiring> allWirings = new HashSet<>();
                for (Module m : module.getContainer().getModules()) {
                    for (BundleRevision revision : m.getRevisions().getRevisions()) {
                        BundleWiring wiring = revision.getWiring();
                        if (wiring != null) {
                            allWirings.add(wiring);
                        }
                    }
                }
                for (ModuleRevision revision : module.getContainer().getRemovalPending()) {
                    BundleWiring wiring = revision.getWiring();
                    if (wiring != null) {
                        allWirings.add(wiring);
                    }
                }
                return (A) DTOBuilder.newFrameworkWiringDTO(allWirings);
            } finally {
                readUnlock();
            }
        }
    }
    // Equinox extras
    if (Module.class.equals(adapterType)) {
        return (A) module;
    }
    if (ProtectionDomain.class.equals(adapterType)) {
        Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
        return (A) current.getDomain();
    }
    return null;
}