Example usage for java.util Iterator Iterator

Introduction

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

Prototype

Iterator

Source Link

Usage

From source file:org.paxml.table.excel.ExcelRow.java

@Override
protected Iterator<ICell> getAllCells() {

    Iterator<ICell> it;/*w  w w  .j  a va 2s  .c om*/
    if (getTable().isCompact()) {
        it = new AbstractIteratorDecorator(row.cellIterator()) {

            @Override
            public Object next() {
                Cell cell = (Cell) getIterator().next();
                return new ExcelCell(cell, ExcelRow.this);
            }

        };
    } else {
        it = new Iterator<ICell>() {
            private int i;

            @Override
            public boolean hasNext() {
                return i < row.getLastCellNum();
            }

            @Override
            public ICell next() {
                return getCell(i++);
            }

            @Override
            public void remove() {
                Cell c = row.getCell(i);
                if (c != null) {
                    row.removeCell(c);
                }
            }

        };
    }
    return it;
}

From source file:com.github.jillesvangurp.osm2geojson.OsmBlobIterable.java

@Override
public Iterator<String> iterator() {

    final Iterator<String> it = lineIterable.iterator();
    return new Iterator<String>() {
        String next = null;/*  www . ja va2s .c  om*/
        StringBuilder buf = new StringBuilder();

        @Override
        public boolean hasNext() {
            if (next != null) {
                return true;
            } else {
                String line;
                while (it.hasNext() && next == null) {
                    line = it.next();
                    if (line.length() > 0) {
                        String stripped = StringUtils.strip(line);
                        if (stripped.startsWith("<node")) {
                            buf.delete(0, buf.length());
                            buf.append(line);
                            if (!fastEndsWith(stripped, "/>")) {
                                while (!fastEndsWith(StringUtils.strip(line), "</node>")) {
                                    line = it.next();
                                    buf.append(line);
                                }
                            }
                            next = StringUtils.strip(buf.toString());
                        } else if (stripped.startsWith("<way")) {
                            buf.delete(0, buf.length());
                            buf.append(line);
                            if (!fastEndsWith(line, "/>")) {
                                while (!fastEndsWith(StringUtils.strip(line), "</way>")) {
                                    line = it.next();
                                    buf.append(line);
                                }
                            }
                            next = StringUtils.strip(buf.toString());
                        } else if (stripped.startsWith("<relation")) {
                            buf.delete(0, buf.length());
                            buf.append(line);
                            if (!fastEndsWith(line, "/>")) {
                                while (!fastEndsWith(StringUtils.strip(line), "</relation>")) {
                                    line = it.next();
                                    buf.append(line);
                                }
                            }
                            next = StringUtils.strip(buf.toString());
                        }
                    }
                }
                return next != null;
            }
        }

        @Override
        public String next() {
            if (hasNext()) {
                String result = next;
                next = null;
                return result;
            } else {
                throw new NoSuchElementException();
            }
        }

        @Override
        public void remove() {
            throw new UnsupportedOperationException("Remove is not supported");
        }
    };
}

From source file:org.nuxeo.connect.tools.report.viewer.ThreadDumpPrinter.java

public Iterator<ThreadInfo> iteratorOf() throws IOException {

    return new Iterator<ThreadInfo>() {

        Iterator<JsonNode> nodes = dump.iterator();

        @Override/* w  w w  .  ja  v  a  2  s  .c  o m*/
        public boolean hasNext() {
            return nodes.hasNext();
        }

        @Override
        public ThreadInfo next() {
            try {
                return ThreadInfo.from((CompositeData) converter.convertToObject(
                        MappedMXBeanType.toOpenType(ThreadInfo.class), nodes.next().toString()));
            } catch (OpenDataException cause) {
                throw new AssertionError("Cannot parse thread info attributes", cause);
            }
        }

    };
}

From source file:com.simiacryptus.mindseye.applications.HadoopUtil.java

/**
 * To stream stream./*from   w  w  w  .j  ava  2  s . com*/
 *
 * @param <T>            the type parameter
 * @param remoteIterator the remote iterator
 * @return the stream
 */
@Nonnull
public static <T> Stream<T> toStream(final RemoteIterator<T> remoteIterator) {
    return StreamSupport.stream(Spliterators.spliterator(new Iterator<T>() {
        @Override
        public boolean hasNext() {
            try {
                return remoteIterator.hasNext();
            } catch (Throwable e) {
                logger.warn("Error listing files", e);
                return false;
            }
        }

        @Override
        public T next() {
            try {
                return remoteIterator.next();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
    }, -1, Spliterator.IMMUTABLE), true);
}

From source file:org.languagetool.dev.errorcorpus.SimpleCorpus.java

@Override
public Iterator<ErrorSentence> iterator() {
    return new Iterator<ErrorSentence>() {
        @Override//from ww w  .  j a  v a2  s .  c o  m
        public boolean hasNext() {
            return pos < lines.size();
        }

        @Override
        public ErrorSentence next() {
            String line = lines.get(pos++);
            return getIncorrectSentence(line);
        }

        @Override
        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}

From source file:org.datalorax.populace.core.populate.inspector.LoggingCollectionInspector.java

@SuppressWarnings("unchecked")
@Override//from   w ww  .j  a  v a2s.  c o m
public Iterator<RawElement> getElements(final Object instance, final Inspectors inspectors) {
    final Iterator<RawElement> elements = CollectionInspector.INSTANCE.getElements(instance, inspectors);
    return new Iterator<RawElement>() {
        @Override
        public boolean hasNext() {
            return elements.hasNext();
        }

        @Override
        public RawElement next() {
            return new LoggingCollectionElement(elements.next());
        }
    };
}

From source file:SimpleSet.java

public Iterator iterator() {
    return new Iterator() {
        int pos = 0;

        public boolean hasNext() {
            return pos < count;
        }//from   w ww . j a  v  a 2s .  c  om

        public Object next() {
            return elementObjects[pos++];
        }

        public void remove() {
            if (pos < count)
                System.arraycopy(elementObjects, pos, elementObjects, pos - 1, count - pos);
            count--;
            pos--;
        }
    };
}

From source file:org.apache.solr.kelvin.ScorerLoader.java

public Iterator<Scorer> iterator() {
    return new Iterator<Scorer>() {

        private Iterator<IConfigurable> i = resources.iterator();

        public boolean hasNext() {
            return i.hasNext();
        }/* www. j  av  a2  s. c om*/

        public Scorer next() {
            return (Scorer) i.next();
        }

        public void remove() {
            throw new UnsupportedOperationException();

        }

    };
}

From source file:cloudlens.engine.CLIterator.java

public static CLIterator source(BlockEngine engine, InputStream inputStream, boolean withHistory) {
    final BlockObject wrap = engine.eval("function(message) { return {message:message}; }");
    final CLIterator res = new CLIterator(engine, new Iterator<BlockObject>() {
        final Scanner scan = new Scanner(inputStream);

        @Override/* w w w  . java 2  s. c  o  m*/
        protected void finalize() throws IOException {
            if (scan != null) {
                scan.close();
            }
        }

        @Override
        public boolean hasNext() {
            return scan.hasNext();
        }

        @Override
        public BlockObject next() {
            final BlockObject record = wrap.call(scan.nextLine());
            return record;
        }
    }, withHistory);
    if (withHistory) {
        res.iterate();
    }
    ;
    return res;
}

From source file:org.eurekastreams.server.service.actions.strategies.EmailerFactory.java

/**
 * Convenience routine to create a string containing a list of emails from a list of people objects.
 *
 * @param list/*  w w w. j  av a  2  s .c  om*/
 *            List of objects which have an email property.
 * @return String of concatenated email addresses ready to pass to setTo/setCc/setBcc.
 */
public static String buildEmailList(final Iterable<? extends HasEmail> list) {
    Iterator<String> iter = new Iterator<String>() {
        Iterator<? extends HasEmail> innerIterator = list.iterator();

        @Override
        public boolean hasNext() {
            return innerIterator.hasNext();
        }

        @Override
        public String next() {
            return innerIterator.next().getEmail();
        }

        @Override
        public void remove() {
            // Not used
        }
    };
    return StringUtils.join(iter, ',');
}