Examples of java.util.jar.Attributes.containsKey()

java.util.jar.Attributes.containsKey()
Returns true if this Map contains the specified attribute name (key). @param name the attribute name @return true if this Map contains the specified attribute name

    private boolean hasAttribute(String attr) {
        final Attributes.Name key = new Attributes.Name(attr);
        Attributes atts;
        if (mode != null) {
            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }

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            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }


    private List<String> getListAttribute(String attr) {
        return split(getAttribute(attr), "\\s+");
    }

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      jarFile = new JarFile(classPathJar);
      Manifest jarManifest = jarFile.getManifest();
      Assert.assertNotNull(jarManifest);
      Attributes mainAttributes = jarManifest.getMainAttributes();
      Assert.assertNotNull(mainAttributes);
      Assert.assertTrue(mainAttributes.containsKey(Attributes.Name.CLASS_PATH));
      String classPathAttr = mainAttributes.getValue(Attributes.Name.CLASS_PATH);
      Assert.assertNotNull(classPathAttr);
      List<String> expectedClassPaths = new ArrayList<String>();
      for (String classPath: classPaths) {
        if (classPath.length() == 0) {

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        if (currentEntry == null) {
            return;
        }
        if (currentEntry instanceof java.util.jar.JarEntry) {
            Attributes temp = ((JarEntry) currentEntry).getAttributes();
            if (temp != null && temp.containsKey("hidden")) { //$NON-NLS-1$
                return;
            }
        }
        // Ensure all entry bytes are read
        skip(Long.MAX_VALUE);

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      jarFile = new JarFile(classPathJar);
      Manifest jarManifest = jarFile.getManifest();
      Assert.assertNotNull(jarManifest);
      Attributes mainAttributes = jarManifest.getMainAttributes();
      Assert.assertNotNull(mainAttributes);
      Assert.assertTrue(mainAttributes.containsKey(Attributes.Name.CLASS_PATH));
      String classPathAttr = mainAttributes.getValue(Attributes.Name.CLASS_PATH);
      Assert.assertNotNull(classPathAttr);
      List<String> expectedClassPaths = new ArrayList<String>();
      for (String classPath: classPaths) {
        if (wildcardPath.equals(classPath)) {

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    private boolean hasAttribute(String attr) {
        final Attributes.Name key = new Attributes.Name(attr);
        Attributes atts;
        if (mode != null) {
            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }

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            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }


    private List<String> getListAttribute(String attr) {
        final String vals = getAttribute(attr);
        if (vals == null)

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    private boolean hasAttribute(String attr) {
        final Attributes.Name key = new Attributes.Name(attr);
        Attributes atts;
        if (mode != null) {
            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }

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            atts = manifest.getAttributes(mode);
            if (atts != null && atts.containsKey(key))
                return true;
        }
        atts = manifest.getMainAttributes();
        return atts.containsKey(new Attributes.Name(attr));
    }


    private List<String> getListAttribute(String attr) {
        return split(getAttribute(attr), "\\s+");
    }

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     */
    public void test_putLjava_lang_ObjectLjava_lang_Object_Null() {


        Attributes attribute = new Attributes();


        assertFalse(attribute.containsKey(null));
        assertFalse(attribute.containsValue(null));
        attribute.put(null, null);
        attribute.put(null, null);
        assertEquals(1, attribute.size());
        assertTrue(attribute.containsKey(null));

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