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+/* Entry.java
+Copyright (C) 2006-2008, 2011, 2012 Heiko Oberdiek
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+MA 02110-1301 USA
+
+This file is part of PDFAnnotExtractor. See README.
+*/
+package pax;
+
+import java.io.*;
+import java.util.*;
+
+public class Entry implements Constants {
+
+ protected Writer out;
+
+ protected String cmd;
+ protected List args;
+ protected Map kvs;
+ protected boolean withKV;
+ protected List delayedList;
+
+ public Entry(Writer out) {
+ this.out = out;
+ cmd = null;
+ args = new Vector();
+ kvs = null;
+ withKV = false;
+ delayedList = new Vector();
+ }
+
+ public void clear() {
+ cmd = null;
+ args.clear();
+ kvs = null;
+ withKV = false;
+ }
+
+ public void setCmd(String cmd) {
+ clear();
+ this.cmd = cmd;
+ }
+
+ public String getCmd() {
+ return cmd;
+ }
+
+ public void withKV() {
+ this.withKV = true;
+ if (kvs == null) {
+ kvs = new HashMap();
+ }
+ }
+
+ public void addArg(String arg) {
+ args.add(arg);
+ }
+
+ public void putKV(String key, String value) {
+ withKV();
+ if (value == null) {
+ return;
+ }
+ kvs.put(key, value);
+ }
+
+ public boolean isEmptyKV() {
+ return !withKV || kvs.isEmpty();
+ }
+
+ public void writeDelayed() throws EntryWriteException {
+ Writer saved = out;
+ try {
+ out = new StringWriter();
+ write();
+ delayedList.add(out.toString());
+ }
+ catch (Exception e) { throw new EntryWriteException(e); }
+ finally {
+ out = saved;
+ }
+ }
+
+ public void write() throws EntryWriteException {
+ try {
+ out.write(ENTRY_BEG);
+
+ // write command
+ out.write(CMD_BEG);
+ out.write(cmd);
+ out.write(CMD_END);
+
+ // write arguments
+ Iterator it = args.iterator();
+ while (it.hasNext()) {
+ String arg = (String)it.next();
+ out.write(ARG_BEG);
+ out.write(arg);
+ out.write(ARG_END);
+ }
+
+ // write key value pairs
+ if (withKV) {
+ if (kvs.isEmpty()) {
+ out.write(KVS_EMPTY);
+ }
+ else {
+ out.write(KVS_BEG);
+ it = kvs.entrySet().iterator();
+ while (it.hasNext()) {
+ Map.Entry kv = (Map.Entry)it.next();
+ String key = (String)kv.getKey();
+ String value = (String)kv.getValue();
+ out.write(KV_BEG);
+ out.write(KEY_BEG);
+ out.write(key);
+ out.write(KEY_END);
+ if (value != null) {
+ out.write(VALUE_BEG);
+ out.write(value);
+ out.write(VALUE_END);
+ }
+ out.write(KV_END);
+ }
+ out.write(KVS_END);
+ }
+ }
+
+ out.write(ENTRY_END);
+ out.flush();
+ }
+ catch (IOException e) {
+ throw new EntryWriteException(e);
+ }
+ finally {
+ clear();
+ }
+ }
+
+ public void flushDelayed() throws EntryWriteException {
+ try {
+ Iterator it = delayedList.iterator();
+ while (it.hasNext()) {
+ out.write((String)it.next());
+ }
+ out.flush();
+ }
+ catch (IOException e) {
+ throw new EntryWriteException(e);
+ }
+ }
+
+ public void close() throws EntryWriteException {
+ try {
+ out.close();
+ }
+ catch (IOException e) {
+ throw new EntryWriteException(e);
+ }
+ }
+}