Example usage for java.util List listIterator

Introduction

In this page you can find the example usage for java.util List listIterator.

Prototype

ListIterator<E> listIterator(int index);

Source Link

Document

Returns a list iterator over the elements in this list (in proper sequence), starting at the specified position in the list.

Usage

From source file:com.projity.grouping.core.hierarchy.AbstractMutableNodeHierarchy.java

private Node getPrevious(Node current, boolean doChildren) {
    if (current == null) // null parent has no parent
        return null;
    List children;

    Node parent = getParent(current);
    children = getChildren(parent);//from  www  .ja  v  a2s.  c  om
    if (doChildren) { // if haven't visited children yet
        ListIterator i = children.listIterator(children.size()); // reverse iterator
        while (i.hasPrevious()) { // get next element after this one.  If it is the last then try its parent
            if (i.previous() == current) {
                if (i.hasPrevious())
                    return getPrevious((Node) i.previous(), false);
                else
                    return parent;
            }
        }
    }

    children = getChildren(current);
    if (children != null && children.size() > 0) // if parent, previous is last child
        return getPrevious((Node) children.get(children.size() - 1), doChildren);

    return current;
}

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From source file:org.openinfinity.tagcloud.domain.service.TargetServiceImpl.java

private List<Result> nearbySearch(List<Target> allTargets, List<Result> results, List<Tag> nearbyTags) {

    for (Target target : allTargets) {
        List<Tag> foundNearbyTags = new ArrayList<Tag>();
        for (Tag tag : nearbyTags) {
            if (target.getTags().contains(tag))
                foundNearbyTags.add(tag);
        }/*from ww  w .  ja  v  a  2s.  c  o  m*/
        if (foundNearbyTags.size() == 0)
            continue;

        ListIterator<Result> resultIterator = results.listIterator(0);
        while (resultIterator.hasNext()) {
            Result result = resultIterator.next();
            for (Tag tag : foundNearbyTags) {
                NearbyTarget nearbyTarget = result.getNearbyTargetsMap().get(tag.getText());
                double distance = calcRelativeDistance(result.getTarget(), target);
                if (distance < nearbyTarget.getDistance()) {
                    nearbyTarget.setTarget(target);
                    nearbyTarget.setDistance(distance);
                }
            }
            result.updateNearbyTargetList();
        }
    }

    // update correct absolute distances and remove ones too far away
    ListIterator<Result> resultIterator = results.listIterator(0);
    while (resultIterator.hasNext()) {
        Result result = resultIterator.next();

        for (NearbyTarget nearbyTarget : result.getNearbyTargetsList()) {
            nearbyTarget.setDistance(calcDistance(result.getTarget(), nearbyTarget.getTarget()));
            if (nearbyTarget.getDistance() > NearbyTarget.MAX_DISTANCE) {
                resultIterator.remove();
                break;
            }
        }

    }

    return results;
}

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From source file:de.hofuniversity.iisys.neo4j.websock.util.JSONList.java

@Override
public ListIterator<Object> listIterator(int arg0) {
    final List<Object> itList = new LinkedList<Object>();
    final int size = fArray.length();

    for (int i = 0; i < size; ++i) {
        try {/*from w  w w .  j av a2s  .  c  om*/
            itList.add(fromInternal(fArray.get(i)));
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    return itList.listIterator(arg0);
}

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From source file:org.apache.fop.render.rtf.rtflib.rtfdoc.RtfTextrun.java

/**
 * Inserts paragraph break before all close group marks.
 *
 * @throws IOException  for I/O problems
 * @return The paragraph break element/*from  w  w  w  .j a v a 2  s  . c  o m*/
 */
public RtfParagraphBreak addParagraphBreak() throws IOException {
    // get copy of children list
    List children = getChildren();
    Stack tmp = new Stack();
    RtfParagraphBreak par = null;

    // delete all previous CloseGroupMark
    int deletedCloseGroupCount = 0;

    ListIterator lit = children.listIterator(children.size());
    while (lit.hasPrevious() && (lit.previous() instanceof RtfCloseGroupMark)) {
        tmp.push(Integer.valueOf(((RtfCloseGroupMark) lit.next()).getBreakType()));
        lit.remove();
        deletedCloseGroupCount++;
    }

    if (children.size() != 0) {
        // add paragraph break and restore all deleted close group marks
        setChildren(children);
        par = new RtfParagraphBreak(this, writer);
        for (int i = 0; i < deletedCloseGroupCount; i++) {
            addCloseGroupMark(((Integer) tmp.pop()).intValue());
        }
    }
    return par;
}

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From source file:org.commonjava.maven.ext.common.model.Project.java

private void resolvePlugins(MavenSessionHandler session, List<Plugin> plugins,
        HashMap<ProjectVersionRef, Plugin> resolvedPlugins) throws ManipulationException {
    ListIterator<Plugin> iterator = plugins.listIterator(plugins.size());

    // Iterate in reverse order so later plugins take precedence
    while (iterator.hasPrevious()) {
        Plugin p = iterator.previous();/*from   w  w w  . j av a2  s . c om*/

        String g = PropertyResolver.resolveInheritedProperties(session, this,
                "${project.groupId}".equals(p.getGroupId()) ? getGroupId() : p.getGroupId());
        String a = PropertyResolver.resolveInheritedProperties(session, this,
                "${project.artifactId}".equals(p.getArtifactId()) ? getArtifactId() : p.getArtifactId());
        String v = PropertyResolver.resolveInheritedProperties(session, this, p.getVersion());

        // Its possible the internal plugin list is either abbreviated or empty. Attempt to fill in default values for
        // comparison purposes.
        if (isEmpty(g)) {
            g = PLUGIN_DEFAULTS.getDefaultGroupId(a);
        }
        // Theoretically we could default an empty v via PLUGIN_DEFAULTS.getDefaultVersion( g, a ) but
        // this means managed plugins would be included which confuses things.
        if (isNotEmpty(g) && isNotEmpty(a) && isNotEmpty(v)) {
            SimpleProjectVersionRef spv = new SimpleProjectVersionRef(g, a, v);

            // If the GAV already exists within the map it means we have a duplicate entry. While Maven
            // technically allows this it does warn that this leads to unstable models. In PME case this breaks
            // the indexing as we don't have duplicate entries. Given they are exact matches, remove older duplicate.
            if (resolvedPlugins.containsKey(spv)) {
                logger.error("Found duplicate entry within plugin list. Key of {} and plugin {}", spv, p);
                iterator.remove();
            } else {
                Plugin old = resolvedPlugins.put(spv, p);

                if (old != null) {
                    logger.error("Internal project plugin resolution failure ; replaced {} in store by {}.",
                            old, spv);
                    throw new ManipulationException(
                            "Internal project plugin resolution failure ; replaced " + old + " by " + spv);
                }
            }
        }
    }
}

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From source file:org.commonjava.maven.ext.common.model.Project.java

private void resolveDeps(MavenSessionHandler session, List<Dependency> deps, boolean includeManagedDependencies,
        HashMap<ArtifactRef, Dependency> resolvedDependencies) throws ManipulationException {
    ListIterator<Dependency> iterator = deps.listIterator(deps.size());

    // Iterate in reverse order so later deps take precedence
    while (iterator.hasPrevious()) {
        Dependency d = iterator.previous();

        String g = PropertyResolver.resolveInheritedProperties(session, this,
                "${project.groupId}".equals(d.getGroupId()) ? getGroupId() : d.getGroupId());
        String a = PropertyResolver.resolveInheritedProperties(session, this,
                "${project.artifactId}".equals(d.getArtifactId()) ? getArtifactId() : d.getArtifactId());
        String v = PropertyResolver.resolveInheritedProperties(session, this, d.getVersion());

        if (includeManagedDependencies && isEmpty(v)) {
            v = "*";
        }/*from  ww w .  j a  v a2s  .com*/
        if (isNotEmpty(g) && isNotEmpty(a) && isNotEmpty(v)) {
            SimpleArtifactRef sar = new SimpleArtifactRef(g, a, v, d.getType(), d.getClassifier());

            // If the GAVTC already exists within the map it means we have a duplicate entry. While Maven
            // technically allows this it does warn that this leads to unstable models. In PME case this breaks
            // the indexing as we don't have duplicate entries. Given they are exact matches, remove older duplicate.
            if (resolvedDependencies.containsKey(sar)) {
                logger.error("Found duplicate entry within dependency list. Key of {} and dependency {}", sar,
                        d);
                iterator.remove();
            } else {
                Dependency old = resolvedDependencies.put(sar, d);

                if (old != null) {
                    logger.error(
                            "Internal project dependency resolution failure ; replaced {} in store by {}:{}:{}.",
                            old, g, a, v);
                    throw new ManipulationException(
                            "Internal project dependency resolution failure ; replaced " + old + " by " + d);
                }
            }
        }
    }
}

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From source file:org.apache.atlas.model.typedef.AtlasEnumDef.java

public void setElementDefs(List<AtlasEnumElementDef> elementDefs) {
    if (elementDefs != null && this.elementDefs == elementDefs) {
        return;//from  www .ja va 2s.  c o  m
    }

    if (CollectionUtils.isEmpty(elementDefs)) {
        this.elementDefs = new ArrayList<>();
    } else {
        // if multiple elements with same value are present, keep only the last entry
        List<AtlasEnumElementDef> tmpList = new ArrayList<>(elementDefs.size());
        Set<String> elementValues = new HashSet<>();

        ListIterator<AtlasEnumElementDef> iter = elementDefs.listIterator(elementDefs.size());
        while (iter.hasPrevious()) {
            AtlasEnumElementDef elementDef = iter.previous();
            String elementValue = elementDef != null ? elementDef.getValue() : null;

            if (elementValue != null) {
                elementValue = elementValue.toLowerCase();

                if (!elementValues.contains(elementValue)) {
                    tmpList.add(new AtlasEnumElementDef(elementDef));

                    elementValues.add(elementValue);
                }
            }
        }
        Collections.reverse(tmpList);

        this.elementDefs = tmpList;
    }
}

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From source file:org.commonjava.maven.ext.manip.impl.DependencyManipulator.java

/**
 * This will load the remote overrides. It will first try to load any overrides that might have
 * been prepopulated by the REST scanner, failing that it will load from a remote POM file.
 *
 * @param state the dependency state// w w  w  . j  ava  2 s. c  om
 * @return the loaded overrides
 * @throws ManipulationException if an error occurs.
 */
private Map<ArtifactRef, String> loadRemoteOverrides(final DependencyState state) throws ManipulationException {
    Map<ArtifactRef, String> overrides = state.getRemoteRESTOverrides();

    if (overrides == null) {
        overrides = new LinkedHashMap<>();
        final List<ProjectVersionRef> gavs = state.getRemoteBOMDepMgmt();

        if (gavs == null || gavs.isEmpty()) {
            return overrides;
        }

        final ListIterator<ProjectVersionRef> iter = gavs.listIterator(gavs.size());
        // Iterate in reverse order so that the first GAV in the list overwrites the last
        while (iter.hasPrevious()) {
            final ProjectVersionRef ref = iter.previous();
            overrides.putAll(effectiveModelBuilder.getRemoteDependencyVersionOverrides(ref));
        }
    }
    return overrides;
}

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From source file:net.sf.jasperreports.engine.export.JRGridLayout.java

protected void setGridElements(PrintElementIndex parentIndex, List<JRPrintElement> elements, int elementOffsetX,
        int elementOffsetY, int startRow, int startCol, int endRow, int endCol) {
    for (ListIterator<JRPrintElement> it = elements.listIterator(elements.size()); it.hasPrevious();) {
        JRPrintElement element = it.previous();
        int elementIndex = it.nextIndex();

        if (nature.isToExport(element)) {
            int x = element.getX() + elementOffsetX;
            int y = element.getY() + elementOffsetY;

            int col1 = xCuts.indexOfCutOffset(x);
            int row1 = yCuts.indexOfCutOffset(y);
            int col2 = xCuts.indexOfCutOffset(x + element.getWidth());
            int row2 = yCuts.indexOfCutOffset(y + element.getHeight());

            if (!isOverlap(row1, col1, row2, col2)) {
                JRPrintFrame frame = element instanceof JRPrintFrame ? (JRPrintFrame) element : null;
                if (frame != null && nature.isDeep(frame)) {
                    PrintElementIndex frameIndex = new PrintElementIndex(parentIndex, elementIndex);
                    setGridElements(frameIndex, frame.getElements(), x + frame.getLineBox().getLeftPadding(),
                            y + frame.getLineBox().getTopPadding(), row1, col1, row2, col2);

                    setFrameCellsStyle(frame, row1, col1, row2, col2);
                } else {
                    setGridElement(element, parentIndex, elementIndex, row1, col1, row2, col2);
                }/*from  ww w.jav  a2 s  .c  o m*/
            }
        }
    }

    if (nature.isHorizontallyMergeEmptyCells()) {
        horizontallyMergeEmptyCells(startRow, startCol, endRow, endCol);
    }
}

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From source file:edu.umn.msi.tropix.persistence.dao.hibernate.TropixObjectDaoImpl.java

public TropixObject getGroupDirectoryPath(final String userId, final List<String> pathParts) {
    final StringBuilder joins = new StringBuilder(), wheres = new StringBuilder();
    final ListIterator<String> pathPartsIter = pathParts.listIterator(pathParts.size());
    final LinkedList<String> parameters = Lists.newLinkedList();
    while (pathPartsIter.hasPrevious()) {
        int index = pathPartsIter.previousIndex();
        final String pathPart = pathPartsIter.previous();
        wheres.append(String.format(" and o%d.deletedTime is null", index));
        wheres.append(String.format(" and o%d.committed is true", index));
        addConstraintForPathPart(pathPart, index, wheres, parameters);
        if (pathPartsIter.hasPrevious()) {
            int nextObjectBackIndex = pathPartsIter.previousIndex();
            joins.append(/* w  ww .j  a  v a 2  s . c o  m*/
                    String.format(" inner join o%d.permissionParents as o%d ", index, nextObjectBackIndex));
        }
    }

    final int lastIndex = pathParts.size() - 1;
    final String objectType = lastIndex == 0 ? "Folder" : "TropixObject";
    final String queryString = String.format(
            "%s o%d %s inner join o0.permissions p left join p.users u left join p.groups g left join g.users gu where (u.cagridId = :userId or gu.cagridId = :userId) and o0.parentFolder is null %s and o0.class is Folder",
            objectType, lastIndex, joins.toString(), wheres.toString());
    return executePathQuery(userId, String.format("o%d", lastIndex), queryString, 0, parameters);
}

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