Example usage for java.util HashMap putAll

Introduction

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

Prototype

public void putAll(Map<? extends K, ? extends V> m)

Source Link

Document

Copies all of the mappings from the specified map to this map.

Usage

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");
    map.put(null, null);/*from ww w  . ja  va  2 s .  c o  m*/

    HashMap<String, String> map2 = new HashMap<String, String>();
    map2.put("key4", "value4");
    map2.put("key5", "value5");
    map2.put("key6", "value6");
    map.putAll(map2);

    System.out.println(map);
}

From source file:Main.java

public static void main(String args[]) {

    HashMap<Integer, String> newmap2 = new HashMap<Integer, String>();
    HashMap<Integer, String> newmap1 = new HashMap<Integer, String>();

    // populate hash map
    newmap1.put(1, "tutorials");
    newmap1.put(2, "from");
    newmap1.put(3, "java2s.com");

    System.out.println("Values in newmap1: " + newmap1);

    // put all values in newmap2
    newmap2.putAll(newmap1);

    System.out.println("Values in newmap2: " + newmap2);
}

From source file:Main.java

public static <K, V> HashMap<K, V> toHashMap(Map<K, V> map) {
    HashMap<K, V> result = new HashMap<>(map.size());
    result.putAll(map);
    return result;
}

From source file:Main.java

/**
 * returns a new HashMap containing a shallow clone of the
 * original map.//  www. j  ava 2s . co m
 * @param origMap
 * @return
 */
public static <K, V> HashMap<K, V> clone(Map<K, V> origMap) {

    HashMap<K, V> newMap = new HashMap<K, V>();
    if (origMap != null && origMap.size() > 0) {
        newMap.putAll(origMap);
    }
    return newMap;
}

From source file:com.ecyrd.jspwiki.util.Serializer.java

/**
 * Serializes a Map and formats it into a Base64-encoded String. For ease of serialization, the Map contents
 * are first copied into a HashMap, then serialized into a byte array that is encoded as a Base64 String.
 * @param map the Map to serialize/*  w ww.  java 2s  . c  o m*/
 * @return a String representing the serialized form of the Map
 * @throws IOException If serialization cannot be done
 */
public static String serializeToBase64(Map<String, Serializable> map) throws IOException {
    // Load the Map contents into a defensive HashMap
    HashMap<String, Serializable> serialMap = new HashMap<String, Serializable>();
    serialMap.putAll(map);

    // Serialize the Map to an output stream
    ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(bytesOut);
    out.writeObject(serialMap);
    out.close();

    // Transform to Base64-encoded String
    byte[] result = Base64.encodeBase64(bytesOut.toByteArray());
    return new String(result);
}

From source file:com.dtolabs.rundeck.core.common.NodeEntryFactory.java

public static Map<String, String> toMap(final INodeEntry node) {
    HashMap<String, String> map = new HashMap<String, String>();
    if (null != node.getAttributes()) {
        map.putAll(node.getAttributes());
    }//from   ww  w.  jav  a  2s  . c  o m

    if (null == map.get("tags")) {
        map.put("tags", "");
    }
    return map;
}

From source file:com.opengamma.analytics.util.surface.StringValue.java

/**
 * Builder from a map. A new map is created with the same values.
 * @param map The map.//  www . j  a v a2 s .c om
 * @return The surface value.
 */
public static StringValue from(final Map<String, Double> map) {
    Validate.notNull(map, "Map");
    HashMap<String, Double> data = new HashMap<String, Double>();
    data.putAll(map);
    return new StringValue(data);
}

From source file:com.opengamma.analytics.util.surface.StringValue.java

/**
 * Builder from a StringValue. A new map is created with the same values.
 * @param surface The StringValue/*from   w w w  .jav  a 2s . co m*/
 * @return The surface value.
 */
public static StringValue from(final StringValue surface) {
    Validate.notNull(surface, "Surface value");
    HashMap<String, Double> data = new HashMap<String, Double>();
    data.putAll(surface.getMap());
    return new StringValue(data);
}

From source file:Main.java

public static HashMap createComponentMap(Container ParentComponent) { // recursive add all sub-coponents into hashmap
    HashMap ComponentMap = new HashMap<String, Component>();
    Component[] components = ParentComponent.getComponents();
    for (Component comp : components) {
        if (comp instanceof Container) {
            ComponentMap.putAll(createComponentMap((Container) comp));
        }//from ww  w . jav  a2s  .  c o  m
        for (int i = 0; i < components.length; i++) {
            ComponentMap.put(components[i].getName(), components[i]);
        }
    }

    return ComponentMap;

}

From source file:de.dakror.jagui.parser.NGuiParser.java

public static HashMap<String, File> collectGUIDs(File dir) throws Exception {
    HashMap<String, File> hash = new HashMap<>();

    for (File f : dir.listFiles()) {
        if (f.isDirectory())
            hash.putAll(collectGUIDs(f));
        else if (f.getName().endsWith(".meta")) {
            File represents = new File(dir, f.getName().substring(0, f.getName().lastIndexOf(".meta")));
            if (represents.exists()) {
                JSONObject o = new JSONObject((Map<?, ?>) new Yaml().load(new FileReader(f)));
                if (represents.getName().endsWith(".tga")) {
                    Runtime.getRuntime()
                            .exec("\"" + new File(DIR, "convert.exe").getPath() + "\" \"" + represents.getPath()
                                    + "\" \"" + represents.getParentFile().getPath() + "/"
                                    + represents.getName().replace(".tga", ".png") + "\"");
                    hash.put(o.getString("guid"),
                            new File(represents.getParentFile(), represents.getName().replace(".tga", ".png")));
                } else
                    hash.put(o.getString("guid"), represents);
            }/*  w w  w  .  j  a  va 2  s.  c  o  m*/
        }
    }

    return hash;
}