Examples of org.jnode.plugin.PluginPrerequisite

org.jnode.plugin.PluginPrerequisite
Descriptor of plugin prerequisites. @author Ewout Prangsma (epr@users.sourceforge.net)

                    System.err.println(PE);
                }


                addStringln("Prerequisites:");
                PluginPrerequisite[] allPreqs = descr.getPrerequisites();
                PluginPrerequisite current;
                for (int i = 0; i < allPreqs.length; i++) {
                    current = allPreqs[i];
                    addStringln("\t" + current.getPluginReference().getId() + "\t\t" +
                        current.getPluginReference().getVersion());
                }
            } else {
                isvalid = false;
            }
        } catch (NameNotFoundException N) {

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     *
     * @param descr the descriptor for the plugin at issue.
     * @return <code>true</code> if the plugin is resolvable.
     */
    private final boolean canResolve(PluginDescriptor descr) {
        final PluginPrerequisite reqs[] = descr.getPrerequisites();
        final int length = reqs.length;
        for (int i = 0; i < length; i++) {
            // We cannot (yet) resolve a plugin if it imports an as-yet unresolved plugin.
            if (getPluginDescriptor(reqs[i].getPluginReference().getId()) == null) {
                return false;

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    }


    private final void loadDependencies(PluginLoader loader, PluginDescriptorModel descr,
                                        Map<String, PluginDescriptorModel> descriptors) throws PluginException {
        // Prerequisites
        final PluginPrerequisite reqs[] = descr.getPrerequisites();
        final int reqLength = reqs.length;
        for (int i = 0; i < reqLength; i++) {
            final PluginPrerequisite req = reqs[i];
            loadDependency(loader, req.getPluginReference(), descriptors);
        }
        // Extensions
        final Extension[] exts = descr.getExtensions();
        final int extLength = exts.length;
        for (int i = 0; i < extLength; i++) {

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        for (PluginJar piJar : pluginJars) {
            final PluginDescriptor descr = piJar.getDescriptor();
            final PluginPrerequisite[] prereqs = descr.getPrerequisites();
            
            for (int j = 0; j < prereqs.length; j++) {
                PluginPrerequisite required = prereqs[j]; 
                List<String> versions = idToVersions.get(required.getPluginReference().getId());
                
                boolean versionSpecified = (required.getPluginReference().getVersion() == null); 


                boolean satisfied = false;
                if (versions != null) {
                    satisfied = !versionSpecified || 
                        versions.contains(required.getPluginReference().getVersion());
                }
                
                if (!satisfied) {
                    String reqVersionStr =  versionSpecified ? "" : " version " + 
                            required.getPluginReference().getVersion();
                    
                    String versionStr =  (descr.getVersion()  == null) ? "" : " version " + 
                            descr.getVersion();
                    
                    throw new BuildException("Cannot find plugin "
                        + required.getPluginReference().getId() + reqVersionStr 
                        + ", which is required by " + descr.getId() 
                        + versionStr);
                }
            }
        }

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Related Classes of org.jnode.plugin.PluginPrerequisite

org.jnode.build.InitJarBuilder

org.jnode.fs.jifs.files.JIFSFplugin

org.jnode.plugin.model.PluginRegistryModel

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