diff options
Diffstat (limited to 'core/src/main/java/org/onap/aaf/cadi/util')
10 files changed, 715 insertions, 0 deletions
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/Chmod.java b/core/src/main/java/org/onap/aaf/cadi/util/Chmod.java new file mode 100644 index 0000000..f999a11 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/Chmod.java @@ -0,0 +1,63 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+import java.io.File;
+import java.io.IOException;
+
+public interface Chmod {
+ public void chmod(File f) throws IOException;
+
+ public static final Chmod to755 = new Chmod() {
+ public void chmod(File f) throws IOException {
+ f.setExecutable(true, false);
+ f.setExecutable(true, true);
+ f.setReadable(true, false);
+ f.setReadable(true, true);
+ f.setWritable(false, false);
+ f.setWritable(true, true);
+ }
+ };
+
+ public static final Chmod to644 = new Chmod() {
+ public void chmod(File f) throws IOException {
+ f.setExecutable(false, false);
+ f.setExecutable(false, true);
+ f.setReadable(true, false);
+ f.setReadable(true, true);
+ f.setWritable(false, false);
+ f.setWritable(true, true);
+ }
+ };
+
+ public static final Chmod to400 = new Chmod() {
+ public void chmod(File f) throws IOException {
+ f.setExecutable(false, false);
+ f.setExecutable(false, true);
+ f.setReadable(false, false);
+ f.setReadable(true, true);
+ f.setWritable(false, false);
+ f.setWritable(false, true);
+ }
+ };
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/JsonOutputStream.java b/core/src/main/java/org/onap/aaf/cadi/util/JsonOutputStream.java new file mode 100644 index 0000000..546292e --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/JsonOutputStream.java @@ -0,0 +1,90 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class JsonOutputStream extends OutputStream {
+ private static final byte[] TWO_SPACE = " ".getBytes();
+ private OutputStream os;
+ private boolean closeable;
+ private int indent = 0;
+ private int prev,ret=0;
+
+ public JsonOutputStream(OutputStream os) {
+ // Don't close these, or dire consequences.
+ closeable = !os.equals(System.out) && !os.equals(System.err);
+ this.os = os;
+ }
+
+ @Override
+ public void write(int b) throws IOException {
+ if(ret=='\n') {
+ ret = 0;
+ if(prev!=',' || (b!='{' && b!='[')) {
+ os.write('\n');
+ for(int i=0;i<indent;++i) {
+ os.write(TWO_SPACE);
+ }
+ }
+ }
+ switch(b) {
+ case '{':
+ case '[':
+ ret = '\n';
+ ++indent;
+ break;
+ case '}':
+ case ']':
+ --indent;
+ os.write('\n');
+ for(int i=0;i<indent;++i) {
+ os.write(TWO_SPACE);
+ }
+ break;
+ case ',':
+ ret = '\n';
+ break;
+
+ }
+ os.write(b);
+ prev = b;
+ }
+ public void resetIndent() {
+ indent = 1;
+ }
+
+ @Override
+ public void flush() throws IOException {
+ os.flush();
+ }
+
+ @Override
+ public void close() throws IOException {
+ if(closeable) {
+ os.close();
+ }
+ }
+
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/MaskFormatException.java b/core/src/main/java/org/onap/aaf/cadi/util/MaskFormatException.java new file mode 100644 index 0000000..551eae9 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/MaskFormatException.java @@ -0,0 +1,32 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+@SuppressWarnings("serial")
+public class MaskFormatException extends Exception {
+
+ public MaskFormatException(String string) {
+ super(string);
+ }
+
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/MyConsole.java b/core/src/main/java/org/onap/aaf/cadi/util/MyConsole.java new file mode 100644 index 0000000..de1c882 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/MyConsole.java @@ -0,0 +1,29 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+public interface MyConsole {
+ public String readLine(String fmt, Object ... args);
+ public char[] readPassword(String fmt, Object ... args);
+ public void printf(String fmt, Object ...args);
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java b/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java new file mode 100644 index 0000000..b19f150 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java @@ -0,0 +1,100 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+/*
+ * NetMask - a class to quickly validate whether a given IP is part of a mask, as defined by bytes or standard String format.
+ *
+ * Needs the IPV6 Mask Builder.
+ */
+public class NetMask {
+ private long mask;
+
+ public NetMask(byte[] inBytes) {
+ mask = derive(inBytes);
+ }
+
+ public NetMask(String string) throws MaskFormatException {
+ mask = derive(string,true);
+ }
+
+ public boolean isInNet(byte[] inBytes) {
+ long addr = derive(inBytes);
+ return (mask & addr) == addr;
+ }
+
+ public boolean isInNet(String str) {
+ long addr;
+ try {
+ addr = derive(str,false);
+ return (mask & addr) == addr;
+ } catch (MaskFormatException e) {
+ // will not hit this code;
+ return false;
+ }
+ }
+
+ public static long derive(byte[] inBytes) {
+ long addr = 0L;
+ int offset = inBytes.length*8;
+ for(int i=0;i<inBytes.length;++i) {
+ addr&=(inBytes[i]<<offset);
+ offset-=8;
+ }
+ return addr;
+ }
+
+ public static long derive(String str, boolean check) throws MaskFormatException {
+ long rv=0L;
+ int idx=str.indexOf(':');
+ int slash = str.indexOf('/');
+
+ if(idx<0) { // Not IPV6, so it's IPV4... Is there a mask of 123/254?
+ idx=str.indexOf('.');
+ int offset = 24;
+ int end = slash>=0?slash:str.length();
+ int bits = slash>=0?Integer.parseInt(str.substring(slash+1)):32;
+ if(check && bits>32) {
+ throw new MaskFormatException("Invalid Mask Offset in IPV4 Address");
+ }
+ int prev = 0;
+ long lbyte;
+ while(prev<end) {
+ if(idx<0) {
+ idx = end;
+ }
+ lbyte = Long.parseLong(str.substring(prev, idx));
+ if(check && (lbyte>255 || lbyte<0)) {
+ throw new MaskFormatException("Invalid Byte in IPV4 Address");
+ }
+ rv|=lbyte<<offset;
+ prev = ++idx;
+ idx=str.indexOf('.',prev);
+ offset-=8;
+ }
+ rv|=0x00000000FFFFFFFFL>>bits;
+ }
+ return rv;
+ }
+
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/Split.java b/core/src/main/java/org/onap/aaf/cadi/util/Split.java new file mode 100644 index 0000000..c3b37dc --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/Split.java @@ -0,0 +1,91 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+/**
+ * Split by Char, optional Trim
+ *
+ * Note: Copied from Inno to avoid linking issues.
+ * Note: I read the String split and Pattern split code, and we can do this more efficiently for a single Character
+ *
+ * 8/20/2015
+ */
+
+public class Split {
+ public static String[] split(char c, String value) {
+ // Count items to preallocate Array (memory alloc is more expensive than counting twice)
+ int count,idx;
+ for(count=1,idx=value.indexOf(c);idx>=0;idx=value.indexOf(c,++idx),++count);
+ String[] rv = new String[count];
+ if(count==1) {
+ rv[0]=value;
+ } else {
+ int last=0;
+ count=-1;
+ for(idx=value.indexOf(c);idx>=0;idx=value.indexOf(c,idx)) {
+ rv[++count]=value.substring(last,idx);
+ last = ++idx;
+ }
+ rv[++count]=value.substring(last);
+ }
+ return rv;
+ }
+
+ public static String[] splitTrim(char c, String value) {
+ // Count items to preallocate Array (memory alloc is more expensive than counting twice)
+ int count,idx;
+ for(count=1,idx=value.indexOf(c);idx>=0;idx=value.indexOf(c,++idx),++count);
+ String[] rv = new String[count];
+ if(count==1) {
+ rv[0]=value.trim();
+ } else {
+ int last=0;
+ count=-1;
+ for(idx=value.indexOf(c);idx>=0;idx=value.indexOf(c,idx)) {
+ rv[++count]=value.substring(last,idx).trim();
+ last = ++idx;
+ }
+ rv[++count]=value.substring(last).trim();
+ }
+ return rv;
+ }
+
+ public static String[] splitTrim(char c, String value, int size) {
+ int idx;
+ String[] rv = new String[size];
+ if(size==1) {
+ rv[0]=value.trim();
+ } else {
+ int last=0;
+ int count=-1;
+ size-=2;
+ for(idx=value.indexOf(c);idx>=0 && count<size;idx=value.indexOf(c,idx)) {
+ rv[++count]=value.substring(last,idx).trim();
+ last = ++idx;
+ }
+ rv[++count]=value.substring(last).trim();
+ }
+ return rv;
+ }
+
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/SubStandardConsole.java b/core/src/main/java/org/onap/aaf/cadi/util/SubStandardConsole.java new file mode 100644 index 0000000..b2a29e6 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/SubStandardConsole.java @@ -0,0 +1,63 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+// Substandard, because System.in doesn't do Passwords..
+public class SubStandardConsole implements MyConsole {
+ BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+ @Override
+ public String readLine(String fmt, Object... args) {
+ String rv;
+ try {
+ System.out.printf(fmt,args);
+ rv = br.readLine();
+ if(args.length==1 && rv.length()==0) {
+ rv = args[0].toString();
+ }
+ } catch (IOException e) {
+ System.err.println("uh oh...");
+ rv = "";
+ }
+ return rv;
+ }
+
+ @Override
+ public char[] readPassword(String fmt, Object... args) {
+ try {
+ System.out.printf(fmt,args);
+ return br.readLine().toCharArray();
+ } catch (IOException e) {
+ System.err.println("uh oh...");
+ return new char[0];
+ }
+ }
+
+ @Override
+ public void printf(String fmt, Object... args) {
+ System.out.printf(fmt, args);
+ }
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/TheConsole.java b/core/src/main/java/org/onap/aaf/cadi/util/TheConsole.java new file mode 100644 index 0000000..3a6b291 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/TheConsole.java @@ -0,0 +1,48 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+public class TheConsole implements MyConsole {
+ @Override
+ public String readLine(String fmt, Object... args) {
+ String rv = System.console().readLine(fmt, args);
+ if(args.length>0 && args[0]!=null && rv.length()==0) {
+ rv = args[0].toString();
+ }
+ return rv;
+ }
+
+ @Override
+ public char[] readPassword(String fmt, Object... args) {
+ return System.console().readPassword(fmt, args);
+ }
+
+ public static boolean implemented() {
+ return System.console()!=null;
+ }
+
+ @Override
+ public void printf(String fmt, Object... args) {
+ System.console().printf(fmt, args);
+ }
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java b/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java new file mode 100644 index 0000000..5f945f3 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/UserChainManip.java @@ -0,0 +1,78 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+import org.onap.aaf.cadi.UserChain;
+
+public class UserChainManip {
+ /**
+ Build an element in the correct format for UserChain.
+ Format:<APP>:<ID>:<protocol>[:AS][,<APP>:<ID>:<protocol>]*
+ @see UserChain
+ */
+ public static StringBuilder build(StringBuilder sb, String app, String id, UserChain.Protocol proto, boolean as) {
+ boolean mayAs;
+ if(!(mayAs=sb.length()==0)) {
+ sb.append(',');
+ }
+ sb.append(app);
+ sb.append(':');
+ sb.append(id);
+ sb.append(':');
+ sb.append(proto.name());
+ if(as && mayAs) {
+ sb.append(":AS");
+ }
+ return sb;
+ }
+
+ public static String idToNS(String id) {
+ if(id==null) {
+ return "";
+ } else {
+ StringBuilder sb = new StringBuilder();
+ char c;
+ int end;
+ boolean first = true;
+ for(int idx = end = id.length()-1;idx>=0;--idx) {
+ if((c = id.charAt(idx))=='@' || c=='.') {
+ if(idx<end) {
+ if(first) {
+ first = false;
+ } else {
+ sb.append('.');
+ }
+ for(int i=idx+1;i<=end;++i) {
+ sb.append(id.charAt(i));
+ }
+ }
+ end=idx-1;
+ if(c=='@') {
+ break;
+ }
+ }
+ }
+ return sb.toString();
+ }
+ }
+}
diff --git a/core/src/main/java/org/onap/aaf/cadi/util/Vars.java b/core/src/main/java/org/onap/aaf/cadi/util/Vars.java new file mode 100644 index 0000000..af8cf86 --- /dev/null +++ b/core/src/main/java/org/onap/aaf/cadi/util/Vars.java @@ -0,0 +1,121 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.onap.aaf.cadi.util;
+
+import java.util.List;
+
+public class Vars {
+ /**
+ * Simplified Conversion based on typical use of getting AT&T style RESTful Error Messages
+ * @param text
+ * @param vars
+ * @return
+ */
+ public static String convert(final String text, final List<String> vars) {
+ String[] array = new String[vars.size()];
+ StringBuilder sb = new StringBuilder();
+ convert(sb,text,vars.toArray(array));
+ return sb.toString();
+ }
+ /**
+ * Convert a format string with "%s" into AT&T RESTful Error %1 %2 (number) format
+ * If "holder" is passed in, it is built with full Message extracted (typically for Logging)
+ * @param holder
+ * @param text
+ * @param vars
+ * @return
+ */
+ public static String convert(final StringBuilder holder, final String text, final String ... vars) {
+ StringBuilder sb = null;
+ int idx,index=0,prev = 0;
+
+ if(text.contains("%s")) {
+ sb = new StringBuilder();
+ }
+
+ StringBuilder[] sbs = new StringBuilder[] {sb,holder};
+ boolean replace, clearIndex = false;
+ int c;
+ while((idx=text.indexOf('%',prev))>=0) {
+ replace = false;
+ if(clearIndex) {
+ index=0;
+ }
+ if(sb!=null) {
+ sb.append(text,prev,idx);
+ }
+ if(holder!=null) {
+ holder.append(text,prev,idx);
+ }
+
+ boolean go = true;
+ while(go) {
+ if(text.length()>++idx) {
+ switch(c=text.charAt(idx)) {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ index *=10;
+ index +=(c-'0');
+ clearIndex=replace=true;
+ continue;
+ case 's':
+ ++index;
+ replace = true;
+ continue;
+ default:
+ break;
+ }
+ }
+ prev = idx;
+ go=false;
+ if(replace) {
+ if(sb!=null) {
+ sb.append('%');
+ sb.append(index);
+ }
+ if(index<=vars.length) {
+ if(holder!=null) {
+ holder.append(vars[index-1]);
+ }
+ }
+ } else {
+ for(StringBuilder s : sbs) {
+ if(s!=null) {
+ s.append("%");
+ }
+ }
+ }
+ }
+ }
+
+ if(sb!=null) {
+ sb.append(text,prev,text.length());
+ }
+ if(holder!=null) {
+ holder.append(text,prev,text.length());
+ }
+
+ return sb==null?text:sb.toString();
+ }
+
+}
|