Example usage for com.google.common.io CharSource readLines

Introduction

In this page you can find the example usage for com.google.common.io CharSource readLines.

Prototype

public ImmutableList<String> readLines() throws IOException 

Source Link

Document

Reads all the lines of this source as a list of strings.

Usage

From source file:io.takari.maven.plugins.util.PropertiesWriter.java

private static void write(CharSource charSource, String comment, OutputStream out) throws IOException {
    List<String> lines = new ArrayList<>(charSource.readLines());
    lines.remove(comment != null ? 1 : 0);
    BufferedWriter w = new BufferedWriter(new OutputStreamWriter(out, ENCODING));
    for (String line : lines) {
        w.write(line);//from  w w w.j  a va2 s .  c o  m
        w.newLine();
    }
    w.flush();
}

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From source file:ch.ethz.system.mt.tpch.DistributionLoader.java

public static <R extends Readable & Closeable> Map<String, Distribution> loadDistribution(CharSource input)
        throws IOException {
    Iterator<String> iterator = filter(input.readLines().iterator(), new Predicate<String>() {
        @Override//www. j ava  2  s  .  com
        public boolean apply(String line) {
            line = line.trim();
            return !line.isEmpty() && !line.startsWith("#");
        }
    });

    return loadDistributions(iterator);
}

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From source file:org.apache.isis.viewer.wicket.viewer.services.TranslationsResolverWicket.java

private static List<String> readLines(final URL url) throws IOException {
    if (url == null) {
        return null;
    }//from w  w  w .j a v a  2 s.co m
    final CharSource charSource = Resources.asCharSource(url, Charsets.UTF_8);
    final ImmutableList<String> strings = charSource.readLines();
    return Collections.unmodifiableList(Lists.newArrayList(Iterables.filter(strings, new Predicate<String>() {
        @Override
        public boolean apply(final String input) {
            return input != null && nonEmpty.matcher(input).matches();
        }
    })));
}

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From source file:com.opengamma.collect.io.PropertiesFile.java

private static PropertySet parse(CharSource source) throws IOException {
    ImmutableList<String> lines = source.readLines();
    Multimap<String, String> parsed = ArrayListMultimap.create();
    int lineNum = 0;
    for (String line : lines) {
        lineNum++;/*from   w  ww. j  a  v  a2 s.c om*/
        line = line.trim();
        if (line.length() == 0 || line.startsWith("#") || line.startsWith(";")) {
            continue;
        }
        int equalsPosition = line.indexOf('=');
        if (equalsPosition < 0) {
            throw new IllegalArgumentException(
                    "Invalid properties file, expected key=value property, line " + lineNum);
        }
        String key = line.substring(0, equalsPosition).trim();
        String value = line.substring(equalsPosition + 1).trim();
        if (key.length() == 0) {
            throw new IllegalArgumentException("Invalid properties file, empty key, line " + lineNum);
        }
        parsed.put(key, value);
    }
    return PropertySet.of(parsed);
}

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From source file:com.opengamma.strata.collect.io.PropertiesFile.java

/**
 * Parses the specified source as a properties file.
 * <p>/*from  www .j a  v a 2 s .  com*/
 * This parses the specified character source expecting a properties file format.
 * The resulting instance can be queried for each key and value.
 * 
 * @param source  the properties file resource
 * @return the properties file
 * @throws UncheckedIOException if an IO exception occurs
 * @throws IllegalArgumentException if the file cannot be parsed
 */
public static PropertiesFile of(CharSource source) {
    ArgChecker.notNull(source, "source");
    ImmutableList<String> lines = Unchecked.wrap(() -> source.readLines());
    PropertySet keyValues = parse(lines);
    return new PropertiesFile(keyValues);
}

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From source file:com.opengamma.strata.collect.io.IniFile.java

/**
 * Parses the specified source as an INI file.
 * <p>/*from   ww  w .  jav  a  2s  .  co m*/
 * This parses the specified character source expecting an INI file format.
 * The resulting instance can be queried for each section in the file.
 * 
 * @param source  the INI file resource
 * @return the INI file
 * @throws UncheckedIOException if an IO exception occurs
 * @throws IllegalArgumentException if the file cannot be parsed
 */
public static IniFile of(CharSource source) {
    ArgChecker.notNull(source, "source");
    ImmutableList<String> lines = Unchecked.wrap(() -> source.readLines());
    Map<String, Multimap<String, String>> parsedIni = parse(lines);
    ImmutableMap.Builder<String, PropertySet> builder = ImmutableMap.builder();
    parsedIni.forEach((sectionName, sectionData) -> builder.put(sectionName, PropertySet.of(sectionData)));
    return new IniFile(builder.build());
}

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From source file:org.locationtech.geogig.cli.test.functional.general.GlobalState.java

public static List<String> runAndParseCommand(boolean failFast, String... command) throws Exception {
    runCommand(failFast, command);//  w  ww. j av a 2  s.  co  m
    CharSource reader = CharSource.wrap(stdOut.toString(Charsets.UTF_8.name()));
    ImmutableList<String> lines = reader.readLines();
    return lines;
}

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From source file:com.opengamma.collect.io.IniFile.java

private static Map<String, Multimap<String, String>> parse(CharSource source) throws IOException {
    ImmutableList<String> lines = source.readLines();
    Map<String, Multimap<String, String>> ini = new LinkedHashMap<>();
    Multimap<String, String> currentSection = null;
    int lineNum = 0;
    for (String line : lines) {
        lineNum++;/*from   w  w  w  . ja v  a2s.  c  o  m*/
        line = line.trim();
        if (line.length() == 0 || line.startsWith("#") || line.startsWith(";")) {
            continue;
        }
        if (line.startsWith("[") && line.endsWith("]")) {
            String sectionName = line.substring(1, line.length() - 1).trim();
            if (ini.containsKey(sectionName)) {
                throw new IllegalArgumentException(
                        "Invalid INI file, duplicate section not allowed, line " + lineNum);
            }
            currentSection = ArrayListMultimap.create();
            ini.put(sectionName, currentSection);

        } else if (currentSection == null) {
            throw new IllegalArgumentException(
                    "Invalid INI file, properties must be within a [section], line " + lineNum);

        } else {
            int equalsPosition = line.indexOf('=');
            if (equalsPosition < 0) {
                throw new IllegalArgumentException(
                        "Invalid INI file, expected key=value property, line " + lineNum);
            }
            String key = line.substring(0, equalsPosition).trim();
            String value = line.substring(equalsPosition + 1).trim();
            if (key.length() == 0) {
                throw new IllegalArgumentException("Invalid INI file, empty key, line " + lineNum);
            }
            currentSection.put(key, value);
        }
    }
    return ini;
}

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From source file:com.opengamma.strata.collect.io.CsvFile.java

/**
 * Parses the specified source as a CSV file where the separator is specified and might not be a comma.
 * <p>//from  w  w  w . ja va 2 s  .com
 * This overload allows the separator to be controlled.
 * For example, a tab-separated file is very similar to a CSV file, the only difference is the separator.
 * 
 * @param source  the file resource
 * @param headerRow  whether the source has a header row, an empty source must still contain the header
 * @param separator  the separator used to separate each field, typically a comma, but a tab is sometimes used
 * @return the CSV file
 * @throws UncheckedIOException if an IO exception occurs
 * @throws IllegalArgumentException if the file cannot be parsed
 */
public static CsvFile of(CharSource source, boolean headerRow, char separator) {
    ArgChecker.notNull(source, "source");
    List<String> lines = Unchecked.wrap(() -> source.readLines());
    return create(lines, headerRow, separator);
}

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From source file:org.anarres.dblx.core.preset.PresetManager.java

PresetManager(@Nonnull LX lx) throws IOException {
    this.channelState = new ChannelState[lx.engine.getChannels().size()];
    for (int i = 0; i < presets.length; ++i) {
        presets[i] = new Preset(this, i);
    }//from w  w  w .java  2s.  co  m

    File file = new File(FILENAME);
    if (file.exists()) {
        CharSource source = Files.asCharSource(file, StandardCharsets.UTF_8);
        ImmutableList<String> values = source.readLines();
        int i = 0;
        for (String serialized : values) {
            presets[i++].load(serialized);
            if (i >= NUM_PRESETS) {
                break;
            }
        }
    }
    for (LXChannel channel : lx.engine.getChannels()) {
        channelState[channel.getIndex()] = new ChannelState(channel);
    }
}

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