How to use org.sakaiproject.component.api

@Override
public Object getAttribute(String attribute) throws AttributeNotFoundException, MBeanException, ReflectionException {
  ConfigItem configItem = serverConfigurationService.getConfigItem(attribute);
  if (configItem.isSecured()) {
    return null;
  }
  return configItem.getValue();
}

private String[] getAcceptableFileExtensions()
{
  String[] extensions = serverConfigurationService.getStrings(PROP_ACCEPTABLE_FILE_EXTENSIONS);
  if (extensions != null && extensions.length > 0)
  {
    return extensions;
  }
  return DEFAULT_ACCEPTABLE_FILE_EXTENSIONS;
}

public void init() {
  fromAddress = "\"" +
      serverConfigurationService.getString("ui.institution", "Sakai") +
      " <no-reply@" +
      serverConfigurationService.getServerName() +
      ">\"";
}

/**
 * Initialization
 */
public void init()
{
  portalUseSectionTitle = scs.getBoolean( SAK_PROP_PORTAL_USE_SECTION_TITLE, false );
  portalUseSecTitlePreferredCategory = scs.getString( SAK_PROP_PORTAL_USE_SEC_TITLE_PREFERRED_CAT, DEFAULT_PREFERRED_CAT );
}

public String getPortalUrl() {
  // don't use serverConfigurationService.getPortalUrl() as it can return
  // 'sakai-entitybroker-direct' instead of 'portal'
  String serverUrl = serverConfigurationService.getServerUrl();
  return serverUrl + serverConfigurationService.getString("portalPath");
}

@Override
public boolean allowAllContent() {
  // Turntin reports errors when content is submitted that it can't check originality against. So we will block unsupported content.
  return serverConfigurationService.getBoolean(PROP_ACCEPT_ALL_FILES, false);
}

/**
 * {@inheritDoc}
 */
@Override
public String getOfficialImageAttribute() {
  return this.serverConfigurationService.getString("profile2.official.image.attribute", ProfileConstants.USER_PROPERTY_JPEG_PHOTO);
}

/**
 * {@inheritDoc}
 */
@Override
public String getServerUrl() {
  return this.serverConfigurationService.getServerUrl();
}

/**
 * Get the id of this instance
 * @return
 */
private String getServerId() {
  return serverConfigurationService.getServerId();
}

public void init() {
  fromAddress = "\"" +
      serverConfigurationService.getString("ui.institution", "Sakai") +
      " <no-reply@" +
      serverConfigurationService.getServerName() +
      ">\"";
}

/**
 * {@inheritDoc}
 */
@Override
public boolean isOfficialImageEnabledGlobally() {
  return this.serverConfigurationService.getBoolean("profile2.official.image.enabled",
      ProfileConstants.SAKAI_PROP_PROFILE2_OFFICIAL_IMAGE_ENABLED);
}

public String[] getAcceptableMimeTypes() {
  String[] mimeTypes = serverConfigurationService.getStrings(PROP_ACCEPTABLE_MIME_TYPES);
  if (mimeTypes != null && mimeTypes.length > 0) {
    return mimeTypes;
  }
  return DEFAULT_ACCEPTABLE_MIME_TYPES;
}

/**
 * {@inheritDoc}
 */
@Override
public boolean isInterestsProfileEnabled() {
  return this.serverConfigurationService.getBoolean(
      "profile2.profile.interests.enabled",
      ProfileConstants.SAKAI_PROP_PROFILE2_PROFILE_INTERESTS_ENABLED);
}

public String[] getAcceptableFileExtensions() {
  String[] extensions = serverConfigurationService.getStrings(PROP_ACCEPTABLE_FILE_EXTENSIONS);
  if (extensions != null && extensions.length > 0) {
    return extensions;
  }
  return DEFAULT_ACCEPTABLE_FILE_EXTENSIONS;
}

/**
 * {@inheritDoc}
 */
@Override
public boolean isSocialProfileEnabled() {
  return this.serverConfigurationService.getBoolean(
      "profile2.profile.social.enabled",
      ProfileConstants.SAKAI_PROP_PROFILE2_PROFILE_SOCIAL_ENABLED);
}

public String[] getAcceptableFileExtensions() {
  String[] extensions = serverConfigurationService.getStrings(PROP_ACCEPTABLE_FILE_EXTENSIONS);
  if (extensions != null && extensions.length > 0) {
    return extensions;
  }
  return DEFAULT_ACCEPTABLE_FILE_EXTENSIONS;
}

public String[] getAcceptableMimeTypes() {
  String[] mimeTypes = serverConfigurationService.getStrings(PROP_ACCEPTABLE_MIME_TYPES);
  if (mimeTypes != null && mimeTypes.length > 0) {
    return mimeTypes;
  }
  return DEFAULT_ACCEPTABLE_MIME_TYPES;
}

private String[] getAcceptableFileExtensions()
{
  String[] extensions = serverConfigurationService.getStrings(PROP_ACCEPTABLE_FILE_EXTENSIONS);
  if (extensions != null && extensions.length > 0)
  {
    return extensions;
  }
  return DEFAULT_ACCEPTABLE_FILE_EXTENSIONS;
}

private String[] getAcceptableMimeTypes()
{
  String[] mimeTypes = serverConfigurationService.getStrings(PROP_ACCEPTABLE_MIME_TYPES);
  if (mimeTypes != null && mimeTypes.length > 0)
  {
    return mimeTypes;
  }
  return DEFAULT_ACCEPTABLE_MIME_TYPES;
}

private String[] getAcceptableMimeTypes()
{
  String[] mimeTypes = serverConfigurationService.getStrings(PROP_ACCEPTABLE_MIME_TYPES);
  if (mimeTypes != null && mimeTypes.length > 0)
  {
    return mimeTypes;
  }
  return DEFAULT_ACCEPTABLE_MIME_TYPES;
}