diff options
Diffstat (limited to 'pdf-as-legacy/src/main/java/at/knowcenter/wag/egov/egiz/sig/SignatureTypes.java')
| -rw-r--r-- | pdf-as-legacy/src/main/java/at/knowcenter/wag/egov/egiz/sig/SignatureTypes.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/pdf-as-legacy/src/main/java/at/knowcenter/wag/egov/egiz/sig/SignatureTypes.java b/pdf-as-legacy/src/main/java/at/knowcenter/wag/egov/egiz/sig/SignatureTypes.java new file mode 100644 index 00000000..0897608b --- /dev/null +++ b/pdf-as-legacy/src/main/java/at/knowcenter/wag/egov/egiz/sig/SignatureTypes.java @@ -0,0 +1,144 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ *
+ * $Id: SignatureTypes.java,v 1.5 2006/10/31 08:18:56 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.sig;
+
+
+public class SignatureTypes
+{
+
+ /**
+ * Defines all supported states for {@link SignatureTypes} (signature profiles). Signature types can be enabled
+ * ("on"), can be set to support signature only ("sign_only"), to verification only ("verify_only") or can be
+ * disabled ("off" or any other value not covered by other enum values).
+ *
+ * @author Datentechnik Innovation GmbH
+ */
+ public enum State {
+
+ /**
+ * Enables a signature profile.
+ */
+ ON ("on", "yes", "true", "enabled"),
+
+ /**
+ * Disables a signature profile.
+ */
+ OFF (),
+
+ /**
+ * Restricts the signature profile so that is can only be used for verification purposes and not for signature.
+ */
+ VERIFY_ONLY ("verify_only", "verify-only", "verifyonly", "verify only", "verify"),
+
+ /**
+ * Allows the signature profile to be used for signature but not for verification.
+ */
+ SIGN_ONLY ("sign_only", "sign-only", "signonly", "sign only", "sign");
+
+ /**
+ * Sets the default state when no valid value was provided.
+ */
+ private static final State DEFAULT = OFF;
+
+ /**
+ * States that allow signatures.
+ */
+ private static final State[] CAN_SIGN = { ON, SIGN_ONLY };
+
+ /**
+ * States that allow verification.
+ */
+ private static final State[] CAN_VERIFY = { ON, VERIFY_ONLY };
+
+ private String[] keyWords;
+
+ private State(String... keyWords) {
+ this.keyWords = keyWords;
+ }
+
+ /**
+ * Returns a valid State from a given {@code keyWord}. If the {@code keyWord} cannot be matched to a certain
+ * state, the default State {@link #OFF} is returned.
+ *
+ * @param keyWord
+ * A valid keyword like "on", "sign_only"...
+ * @return The enum State.
+ */
+ public static State fromString(String keyWord) {
+ if (keyWord == null) {
+ return DEFAULT;
+ }
+ try {
+ return valueOf(keyWord.toUpperCase());
+ } catch (IllegalArgumentException e) {
+ for (State candidate : values()) {
+ for (String candidateKeyWord : candidate.keyWords) {
+ if (keyWord.equalsIgnoreCase(candidateKeyWord)) {
+ return candidate;
+ }
+ }
+ }
+ return DEFAULT;
+ }
+ }
+
+ /**
+ * Returns {@code true} when the current state is one of the given candidate {@code states}.
+ *
+ * @param states
+ * The candidate states.
+ * @return {@code true} when the current state is one of the given candidate states, {@code false} if not.
+ */
+ public boolean in(State... states) {
+ if (states != null) {
+ for (State state : states) {
+ if (this == state) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Returns if the respective state allows signatures.
+ * @return {@code true} if signatures are allowed, {@code false} if not.
+ */
+ public boolean canSign() {
+ return in(CAN_SIGN);
+ }
+
+ /**
+ * Returns if the respective state allows verification.
+ * @return {@code true} if verification is allowed, {@code false} if not.
+ */
+ public boolean canVerify() {
+ return in(CAN_VERIFY);
+ }
+
+ }
+
+}
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